ABAZEED A, 2017, J COMPUTER SCI, V13, P228, DOI DOI 10.3844/JCSSP.2017.228.233;ABDOUS M, 2011, BRIT J EDUC TECHNOL, V42, P40, DOI 10.1111/J.1467-8535.2009.00980.X;ABU KHOUSA E, 2018, J AMB INTEL HUM COMP, V9, P601, DOI 10.1007/S12652-017-0457-9;AGAOGLU M, 2016, IEEE ACCESS, V4, P2379, DOI 10.1109/ACCESS.2016.2568756;AHADI A, 2017, ACM T COMPUT EDUC, V17, DOI 10.1145/3123814;AHMED ARWA IBRAHIM, 2016, JOURNAL OF THEORETICAL AND APPLIED INFORMATION TECHNOLOGY, V91, P130;AKCAPINAR G., 2015, ELEMENTARY ED ONLINE, V3, P815, DOI DOI 10.17051/IO.2015.03160;AKCAPINAR G, 2018, TURK ONLINE J DISTAN, V19, P116;AKHRIZA TM, 2017, INT J SOFTW ENG KNOW, V27, P675, DOI 10.1142/S0218194017500255;ALDOWAH H, 2019, TELEMAT INFORM, V37, P13, DOI 10.1016/J.TELE.2019.01.007;ALEXANDRON G, 2017, COMPUT EDUC, V108, P96, DOI 10.1016/J.COMPEDU.2017.01.015;ALI L, 2013, COMPUT EDUC, V62, P130, DOI 10.1016/J.COMPEDU.2012.10.023;ALI L, 2012, COMPUT EDUC, V58, P470, DOI 10.1016/J.COMPEDU.2011.08.030;ALJARRAH A, 2018, INT J EDUC TECHNOL H, V15, DOI 10.1186/S41239-017-0083-9;ALMEDA MV, 2018, ONLINE LEARN, V22, P1, DOI 10.24059/OLJ.V22I1.1060;ALMUTAIRI FM, 2017, IEEE J-STSP, V11, P729, DOI 10.1109/JSTSP.2017.2705581;GOMEZ-AGUILAR DA, 2015, COMPUT HUM BEHAV, V47, P60, DOI 10.1016/J.CHB.2014.11.001;ANAYA AR, 2016, EXPERT SYST APPL, V45, P248, DOI 10.1016/J.ESWA.2015.01.071;ANDERSON J, 1995, INTRO NEURAL NETWORK;ANGELI C, 2017, COMPUT EDUC, V113, P226, DOI 10.1016/J.COMPEDU.2017.05.021;APPALLA P, 2017, WIREL NETW, V23, P1011, DOI 10.1007/S11276-015-1173-Z;ARNOLD KE., 2010, EDUCAUSE Q, V33, PN1;ARUNACHALAM AS, 2018, INT J ENG TECHNOLOGY, V7, P67;ASIF R, 2017, COMPUT EDUC, V113, P177, DOI 10.1016/J.COMPEDU.2017.05.007;VILLASENOR EA, 2017, SCIENTOMETRICS, V110, P77, DOI 10.1007/S11192-016-2166-0;AVILA C, 2016, IEEE REV IBEROAM TEC, V11, P167, DOI 10.1109/RITA.2016.2589578;BACHRI O. S., 2017, INT J CIVIL ENGEERIN, V8, P731;BAGRIYANIK S., 2018, INT J ELECT COMPUTER, V8, P5253, DOI 10.11591/IJECE.V8I6.PP5253-5259, DOI 10.11591/IJECE.V8I6.PP5253-5259;BAJAJ RICHA, 2018, PROCEDIA COMPUTER SCIENCE, V132, P834, DOI 10.1016/J.PROCS.2018.05.095;BAKER, 2010, INT ENCY ED, V7, P112, DOI DOI 10.1016/B978-0-08-044894-7.01318-X;BAKER RS, 2016, J COMPUT ASSIST LEAR, V32, P267, DOI 10.1111/JCAL.12128;BAKER RYAN SJD, 2009, J ED DATA MINING, V1, P3, DOI DOI 10.1109/ASE.2003.1240314;BEEMER J, 2018, J STAT EDUC, V26, P31, DOI 10.1080/10691898.2018.1426400;BEEMER J, 2018, INT J ARTIF INTELL E, V28, P315, DOI 10.1007/S40593-017-0148-X;BERLAND M, 2015, INT J COMP-SUPP COLL, V10, P425, DOI 10.1007/S11412-015-9217-Z;BEZET AMANDA, 2018, LIBRARY HI TECH NEWS, V35, P4, DOI 10.1108/LHTN-09-2017-0070;BHARARA S, 2018, EDUC INF TECHNOL, V23, P957, DOI 10.1007/S10639-017-9645-7;BODILY R, 2017, INT REV RES OPEN DIS, V18, P103;BONISSONE P. P., 1997, SOFT COMPUTING, V1, P6, DOI 10.1007/S005000050002;BOUHORMA M., 2015, INT J ELECT COMPUTER, V5, P344;BRENNER DG, 2017, TECHNOL KNOWL LEARN, V22, P405, DOI 10.1007/S10758-017-9325-0;BRINTON CG, 2014, IEEE T LEARN TECHNOL, V7, P346, DOI 10.1109/TLT.2014.2337900;BROOKS C, 2014, COMPUT EDUC, V75, P282, DOI 10.1016/J.COMPEDU.2014.03.002;BULL S, 2016, INT J ARTIF INTELL E, V26, P293, DOI 10.1007/S40593-015-0090-8;BURGOS C, 2018, COMPUT ELECTR ENG, V66, P541, DOI 10.1016/J.COMPELECENG.2017.03.005;CAMPAGNI R, 2015, EXPERT SYST APPL, V42, P5508, DOI 10.1016/J.ESWA.2015.02.052;CANO AR, 2018, BRIT J EDUC TECHNOL, V49, P659, DOI 10.1111/BJET.12632;CARCELLER C, 2013, INT J TECHNOL ENHANC, V5, P117, DOI 10.1504/IJTEL.2013.059087;CEREZO R, 2017, FRONT PSYCHOL, V8, DOI 10.3389/FPSYG.2017.01403;CEREZO R, 2016, COMPUT EDUC, V96, P42, DOI 10.1016/J.COMPEDU.2016.02.006;CHEN BD, 2018, INTERNET HIGH EDUC, V37, P21, DOI 10.1016/J.IHEDUC.2017.12.002;CHEN CC, 2017, CLUSTER COMPUT, V20, P43, DOI 10.1007/S10586-016-0711-5;CHEN G, 2016, J COMPUT THEOR NANOS, V13, P2582;CHEN GL, 2018, IEEE T LEARN TECHNOL, V11, P264, DOI 10.1109/TLT.2016.2614302;CHEN JH, 2018, INT J EMERG TECHNOL, V13, P67, DOI 10.3991/IJET.V13I11.9599;CHEN PH, 2018, IEEE ACCESS, V6, P31553, DOI 10.1109/ACCESS.2018.2839607;CHEN Y, 2017, INFOR, V55, P188, DOI 10.1080/03155986.2016.1262584;CHENG KH, 2015, INTERNET HIGH EDUC, V25, P78, DOI 10.1016/J.IHEDUC.2015.02.001;CHIAPPE ANDRES, 2017, ENSAIO: AVAL.POL.PBL.EDUC., V25, P971, DOI 10.1590/S0104-40362017002501211;CHOU C.-Y., 2015, IEEE T EMERG TOP COM, V99;CHUNG HM., 1999, J MANAG INF SYST, V16, P11, DOI 10.1080/07421222.1999.11518231, DOI 10.1080/07421222.1999.11518231;COBO A, 2014, BEHAV INFORM TECHNOL, V33, P1000, DOI 10.1080/0144929X.2013.853838;COLE JR, 2000, INT J INTELL SYST, V15, P1, DOI 10.1002/(SICI)1098-111X(200001)15:1<1::AID-INT1>3.0.CO;2-V;CONDE MA, 2018, TELEMAT INFORM, V35, P551, DOI 10.1016/J.TELE.2017.02.001;CONDE MA, 2015, IEEE REV IBEROAM TEC, V10, P242, DOI 10.1109/RITA.2015.2486378;CONIJN RIANNE, 2017, IEEE TRANSACTIONS ON LEARNING TECHNOLOGIES, V10, P17, DOI 10.1109/TLT.2016.2616312;CONSIDINE H., 2016, GLOBAL J ENG ED, V18, P16;COOPER A, 2013, WP03 CETIS SN, V2013, PWP03;COSTA EB, 2017, COMPUT HUM BEHAV, V73, P247, DOI 10.1016/J.CHB.2017.01.047;CUKUROVA M, 2018, COMPUT EDUC, V116, P93, DOI 10.1016/J.COMPEDU.2017.08.007;DAVIES R, 2017, TECHTRENDS, V61, P155, DOI 10.1007/S11528-016-0131-7;DAWSON S, 2014, INT REV RES OPEN DIS, V15, P284;DEJAEGER K, 2012, EUR J OPER RES, V218, P548, DOI 10.1016/J.EJOR.2011.11.022;DELEN D, 2010, DECIS SUPPORT SYST, V49, P498, DOI 10.1016/J.DSS.2010.06.003;DEWEY J, 1964, NEED PHILOS ED J DEW;DHARMARAJAN K, 2017, INT J EMERG TECHNOL, V12, P202, DOI 10.3991/IJET.V12I10.7246;DIMIC G, 2018, COMPUT APPL ENG EDUC, V26, P417, DOI 10.1002/CAE.21894;DRAGULESCU BOGDAN, 2015, CIT. JOURNAL OF COMPUTING AND INFORMATION TECHNOLOGY, V23, P269, DOI 10.2498/CIT.1002645;DRIGAS AS, 2009, COMM COM INF SC, V49, P552;DRLIK MARTIN, 2017, INTERNATIONAL JOURNAL OF WEB BASED COMMUNITIES, V13, P236;DUBOIS D, 1998, HDB FUZZ SET SER, V2, P1;DUQUE R, 2015, COMPUT HUM BEHAV, V47, P42, DOI 10.1016/J.CHB.2014.07.012;DUTTI A, 2017, IEEE ACCESS, V5, P15991, DOI 10.1109/ACCESS.2017.2654247;DUZHIN F, 2018, EDUC SCI, V8, DOI 10.3390/EDUCSCI8010007;DZELZKALEJA L, 2018, INT J ENG TECHNOLOGY, V7, P106;EBNER M, 2018, UNIVERSAL ACCESS INF, V17, P305, DOI 10.1007/S10209-017-0564-6;EL MABROUK M, 2017, INT J EMERG TECHNOL, V12, P52, DOI 10.3991/IJET.V12I06.6610;ELFANGARY LM, 2011, EDUC INF TECHNOL, V16, P139, DOI 10.1007/S10639-010-9124-X;ELHASSAN AMMAR, 2018, INTERNATIONAL JOURNAL OF MACHINE LEARNING AND COMPUTING, V8, P583, DOI 10.18178/IJMLC.2018.8.6.749;ESTEVEZ-AYRES I, 2018, INT J ENG EDUC, V34, P865;ESTEVEZ-AYRES I, 2017, J NETW COMPUT APPL, V100, P56, DOI 10.1016/J.JNCA.2017.10.014;EVALE DS, 2017, J INF TECHNOL EDUC-R, V16, P437, DOI 10.28945/3883;FELIX G, 2019, ARTIF INTELL REV, V52, P1707, DOI 10.1007/S10462-017-9575-1;FENG M, 2017, REGEN MED RES, V5, DOI 10.1051/RMR/160001;FERGUSON R, 2012, INT J TECHNOL ENHANC, V4, P304, DOI 10.1504/IJTEL.2012.051816;FIDALGO-BLANCO A, 2015, COMPUT HUM BEHAV, V47, P149, DOI 10.1016/J.CHB.2014.11.050;FIELDS DA, 2017, ACM T COMPUT EDUC, V17, DOI 10.1145/3123815;FIRAT M, 2016, J INF TECHNOL EDUC-R, V15, P75;FONG J, 2015, INT J INNOV LEARN, V18, P333, DOI 10.1504/IJIL.2015.071499;FOSTNOT C.T, 1996, CONSTRUCTIVISM THEOR, P8, DOI DOI 10.1177/001698629704100308;FRATAMICO L, 2017, INT J ARTIF INTELL E, V27, P320, DOI 10.1007/S40593-016-0131-Y;FRICK T, 2016, TECHNOL KNOWL LEARN, V21, P255, DOI 10.1007/S10758-016-9288-6;FULANTELLI G, 2015, COMPUT HUM BEHAV, V47, P50, DOI 10.1016/J.CHB.2014.05.045;FULLER J, 2014, BMJ OPEN, V4, DOI 10.1136/BMJOPEN-2014-006304;FUNK MATHIAS, 2017, INTERNATIONAL JOURNAL OF WEB-BASED LEARNING AND TEACHING TECHNOLOGIES, V12, P78, DOI 10.4018/IJWLTT.2017100107;GARRISON D. R., 2011, BLENDED LEARNING HIG;GASEVIC D, 2017, COMPUT HUM BEHAV, V67, P207, DOI 10.1016/J.CHB.2016.10.026;GLYKAS M, 2010, STUD FUZZ SOFT COMP, V247, P1, DOI 10.1007/978-3-642-03220-2;GOMEZ-REY P, 2016, EXPERT SYST, V33, P161, DOI 10.1111/EXSY.12138;GOWDA SM, 2013, INT J ARTIF INTELL E, V23, P50, DOI 10.1007/S40593-013-0006-4;GROUMPOS PP, 2016, IFAC PAPERSONLINE, V49, P180, DOI 10.1016/J.IFACOL.2016.11.099;GRUNEWALD F, 2015, IEEE T LEARN TECHNOL, V8, P286, DOI 10.1109/TLT.2015.2396042;GURSOY M., 2016, IEEE T LEARN TECHNOL, V99;HADIOUI A, 2017, INT J EMERG TECHNOL, V12, P151, DOI 10.3991/IJET.V12I11.7460, 10.3991/IJET.V12.I11.7460;HANNA N, 2014, LECT NOTES ARTIF INT, V8863, P1, DOI 10.1007/978-3-319-13332-4_1;HAYKIN S., 1999, NEURAL NETWORK COMPR;HELAL S, 2018, KNOWL-BASED SYST, V161, P134, DOI 10.1016/J.KNOSYS.2018.07.042;HERNANDEZ-GARCIA A, 2015, COMPUT HUM BEHAV, V47, P68, DOI 10.1016/J.CHB.2014.10.038;HERSHKOVITZ A, 2011, INTERNET HIGH EDUC, V14, P98, DOI 10.1016/J.IHEDUC.2010.08.001;HLOSTA M, 2018, KNOWL-BASED SYST, V160, P278, DOI 10.1016/J.KNOSYS.2018.07.021;HOFFAIT AS, 2017, DECIS SUPPORT SYST, V101, P1, DOI 10.1016/J.DSS.2017.05.003;HOLMES M, 2018, IEEE T LEARN TECHNOL, V11, P5, DOI 10.1109/TLT.2017.2754497;HOOK PA, 2017, J ASSOC INF SCI TECH, V68, P182, DOI 10.1002/ASI.23630;HOSSAIN Z, 2018, INT J ARTIF INTELL E, V28, P478, DOI 10.1007/S40593-017-0150-3;HOWARD E, 2018, INTERNET HIGH EDUC, V37, P66, DOI 10.1016/J.IHEDUC.2018.02.001;HOWARD SK, 2016, COMPUT EDUC, V101, P29, DOI 10.1016/J.COMPEDU.2016.05.008;HU YH, 2014, COMPUT HUM BEHAV, V36, P469, DOI 10.1016/J.CHB.2014.04.002;HUANG AY., 2018, J INFORM PROCESSING, V26, P170;HUDA M, 2017, INT J EMERG TECHNOL, V12, P68, DOI 10.3991/IJET.V12I03.6434;HUI YK, 2018, OPEN LEARN, V33, P155, DOI 10.1080/02680513.2018.1454830;HUNG YH, 2016, COMPUT HUM BEHAV, V55, P552, DOI 10.1016/J.CHB.2015.07.004;HUSSAIN S, 2018, INDONE J ELECT ENG C, V0009;IAM-ON N, 2017, INT J MACH LEARN CYB, V8, P497, DOI 10.1007/S13042-015-0341-X;IGLESIAS-PRADAS S, 2015, COMPUT HUM BEHAV, V47, P81, DOI 10.1016/J.CHB.2014.09.065;INTAYOAD W, 2018, ECTI T COMPUTER INFO, V12, P118;ISLJAMOVIC S, 2016, CROAT J EDUC, V18, P583, DOI 10.15516/CJE.V18I2.1003;JAN SK, 2018, RES LEARN TECHNOL, V26, DOI 10.25304/RLT.V26.2064;JENA RK, 2018, BEHAV INFORM TECHNOL, V37, P978, DOI 10.1080/0144929X.2018.1482369;JI H, 2016, PEER PEER NETW APPL, V9, P465, DOI 10.1007/S12083-015-0397-0;JO IH, 2015, EDUC TECHNOL SOC, V18, P214;JOKSIMOVIC S, 2015, COMPUT EDUC, V87, P204, DOI 10.1016/J.COMPEDU.2015.07.002;JU S.-Y., 2014, INT J MULTIMEDIA UBI, V9, P73;KAHAN T, 2017, INT REV RES OPEN DIS, V18, P1;KANG JN, 2017, COMPUT HUM BEHAV, V72, P757, DOI 10.1016/J.CHB.2016.09.062;KAUSAR S, 2018, IEEE ACCESS, V6, P72724, DOI 10.1109/ACCESS.2018.2882240;KECMAN V., 2001, LEARNING SOFT COMPUT;KEEGAN D., 1996, FDN DISTANCE ED, V3;KELLY N, 2017, INT J INF LEARN TECH, V34, P63, DOI 10.1108/IJILT-07-2016-0022;KHAN A, 2018, EDUC INF TECHNOL, V23, P1677, DOI 10.1007/S10639-017-9685-Z;KIM D, 2018, COMPUT EDUC, V127, P233, DOI 10.1016/J.COMPEDU.2018.08.023;KIM D, 2016, INTERNET HIGH EDUC, V30, P30, DOI 10.1016/J.IHEDUC.2016.03.002;KINNEBREW JS, 2017, IEEE T LEARN TECHNOL, V10, P93, DOI 10.1109/TLT.2016.2521372;KITCHENHAM B., 2004, TRSE0401 KEEL U NAT;KOSKO B, 1986, INT J MAN MACH STUD, V24, P65, DOI 10.1016/S0020-7373(86)80040-2;KOTSIANTIS S, 2013, INT J TECHNOL ENHANC, V5, P133, DOI 10.1504/IJTEL.2013.059088;KUHNEL M, 2018, INTERACT TECHNOL SMA, V15, P332, DOI 10.1108/ITSE-04-2018-0024;KUMARAN SR, 2016, J TEKNOL, V78, P75;KUO MS, 2016, COMPUT HUM BEHAV, V55, P16, DOI 10.1016/J.CHB.2015.08.025;KUOSA K, 2016, INT J DIST EDUC, V14, P1, DOI 10.4018/IJDET.2016010101;LAAKSO MJ, 2018, EDUC INF TECHNOL, V23, P1655, DOI 10.1007/S10639-017-9659-1;LACAVE C, 2018, BEHAV INFORM TECHNOL, V37, P993, DOI 10.1080/0144929X.2018.1485053;LAGUS J, 2018, ACM T COMPUT EDUC, V18, DOI 10.1145/3152714;LARA JA, 2014, COMPUT EDUC, V72, P23, DOI 10.1016/J.COMPEDU.2013.10.009;LAUGERMAN M, 2015, INT J ENG EDUC, V31, P1448;LEE S, 2017, IEEE T VIS COMPUT GR, V23, P551, DOI 10.1109/TVCG.2016.2598920;LEE YJ, 2017, INT J INF LEARN TECH, V34, P385, DOI 10.1108/IJILT-05-2017-0031;LEI Y., 2017, J MAT MAT ELECTRON, V28, P1;LEONG CK, 2012, EXPERT SYST APPL, V39, P2584, DOI 10.1016/J.ESWA.2011.08.113;LEPP M, 2018, INT REV RES OPEN DIS, V19, P56;LI Y., 2015, OPEN CYBERNETICS SYS, V9, P1769;LIAN DF, 2018, J COMPUT SCI TECH-CH, V33, P654, DOI 10.1007/S11390-018-1847-Y;LIN CH, 2015, COGN COMPUT, V7, P667, DOI 10.1007/S12559-015-9347-7;LIU HX, 2016, J ARTIF INTELL RES, V55, P1059, DOI 10.1613/JAIR.5002;LIU Q, 2018, ACM T INTEL SYST TEC, V9, DOI 10.1145/3168361;LIU SY, 2017, INT J DIST EDUC, V15, P1, DOI 10.4018/IJDET.2017070101;LOCKWOOD F., 2001, INNOVATION OPEN DIST;LONN S, 2015, COMPUT HUM BEHAV, V47, P90, DOI 10.1016/J.CHB.2014.07.013;LUO C, 2016, REV FACULTAD INGENIE, V31, P84;LYKOURENTZOU I, 2009, COMPUT EDUC, V53, P950, DOI 10.1016/J.COMPEDU.2009.05.010;LYNCH CF, 2017, THEORY RES EDUC, V15, P249, DOI 10.1177/1477878517738448;MAH DK, 2018, ISS EDUC RES, V28, P120;MANDAL L, 2017, TURK J ELECTR ENG CO, V25, P2084, DOI 10.3906/ELK-1510-120;MANSO-VAZQUEZ M, 2018, IEEE ACCESS, V6, P42467, DOI 10.1109/ACCESS.2018.2860519;MANSO-VAZQUEZ M, 2015, IEEE REV IBEROAM TEC, V10, P35, DOI 10.1109/RITA.2015.2417932;MARBOUTI F, 2016, COMPUT EDUC, V103, P1, DOI 10.1016/J.COMPEDU.2016.09.005;MARQUEZ-VERA C, 2016, EXPERT SYST, V33, P107, DOI 10.1111/EXSY.12135;MAT U.B., 2017, INDONES J ELECT ENG, V5, P684;MATE A, 2016, EXPERT SYST, V33, P374, DOI 10.1111/EXSY.12119;MAYER R.E., 2016, E LEARNING SCI INSTR;MAYER RE, 2008, LEARNING WITH ANIMATION: RESEARCH IMPLICATIONS FOR DESIGN, P30;MCCRORY R. S, 2010, ED COMMUNICATION INF, DOI DOI 10.1080/14636310303143, 10.1080/14636310303143;MCNAUGHTON M, 2017, J ENTERP INF MANAG, V30, P701, DOI 10.1108/JEIM-06-2016-0121;MEHMOOD R, 2017, IEEE ACCESS, V5, P2615, DOI 10.1109/ACCESS.2017.2668840;MEIER Y, 2016, IEEE T SIGNAL PROCES, V64, P959, DOI 10.1109/TSP.2015.2496278;MENDELSOHN P., 1994, TECHNOLOGY BASED LEA, P72;MERCERON A, 2015, P 13 E LEARN C GERM;MIGUEIS VL, 2018, DECIS SUPPORT SYST, V115, P36, DOI 10.1016/J.DSS.2018.09.001;MINOVIC M, 2015, COMPUT HUM BEHAV, V47, P98, DOI 10.1016/J.CHB.2014.09.005;MITRA S., 2003, DATA MINING MULTIMED;MITTELMEIER J, 2018, OPEN LEARN, V33, P250, DOI 10.1080/02680513.2018.1486185;MOHAMAD SK, 2013, COMPUT EDUC, V69, P356, DOI 10.1016/J.COMPEDU.2013.07.031;MULDNER K, 2011, USER MODEL USER-ADAP, V21, P99, DOI 10.1007/S11257-010-9086-0;MUNK M, 2017, IEEE ACCESS, V5, P8989, DOI 10.1109/ACCESS.2017.2706302;MUNOZ-MERINO PJ, 2017, COMPUT APPL ENG EDUC, V25, P15, DOI 10.1002/CAE.21774;MUNOZ-MERINO PJ, 2015, COMPUT HUM BEHAV, V47, P108, DOI 10.1016/J.CHB.2014.10.003;MWALUMBWE I, 2017, ELECTR J INF SYS DEV, V79;NAGASHREE N, 2016, COMPUT HUM BEHAV, V65, P9, DOI 10.1016/J.CHB.2016.08.008;NAM S, 2018, IEEE T LEARN TECHNOL, V11, P362, DOI 10.1109/TLT.2017.2720738;NANDHA KUMAR KG, 2017, MAN INDIA, V97, P55;NATEK S, 2014, EXPERT SYST APPL, V41, P6400, DOI 10.1016/J.ESWA.2014.04.024;NGUYEN Q., 2017, COMPUTERS HUMAN BEHA;NISTOR N, 2014, COMPUT HUM BEHAV, V34, P339, DOI 10.1016/J.CHB.2013.10.051;NKAMBOU R, 2011, KNOWL-BASED SYST, V24, P176, DOI 10.1016/J.KNOSYS.2010.08.002;NOAMAN AY, 2016, INT J COMPUT INT SYS, V9, P1101, DOI 10.1080/18756891.2016.1256573;NURHAYATI OD, 2018, INT J MECH ENG TECHN, V9, P1051;NYLAND R, 2017, J COMPUT HIGH EDUC, V29, P201, DOI 10.1007/S12528-016-9122-0;OGNJANOVIC I, 2016, INTERNET HIGH EDUC, V29, P49, DOI 10.1016/J.IHEDUC.2015.12.002;OLANREWAJU RF, 2016, J TEKNOL, V78, P31;OLIVARES-RODRIGUEZ C, 2018, ASLIB J INFORM MANAG, V70, P538, DOI 10.1108/AJIM-05-2018-0103;OSMAN G, 2013, INTERNET HIGH EDUC, V16, P23, DOI 10.1016/J.IHEDUC.2012.07.001;OZTEKIN A, 2016, IND MANAGE DATA SYST, V116, P1678, DOI 10.1108/IMDS-09-2015-0363;PABREJA K, 2017, INT J INF SYST SERV, V9, P54, DOI 10.4018/IJISSS.2017010104;PAI M., 2002, SYSTEMATIC REV ROAD;PALLAVI S, 2017, WIRELESS PERS COMMUN, V96, P6519, DOI 10.1007/S11277-017-4489-4;PALMER S, 2013, INT J ENG EDUC, V29, P132;PAPAGEORGIOU EI, 2013, IEEE T FUZZY SYST, V21, P66, DOI 10.1109/TFUZZ.2012.2201727;PAPAMITSIOU Z, 2014, EDUC TECHNOL SOC, V17, P49;PAPERT, 1993, CHILDRENS MACHINE RE;PAPERT S, 1990, INTRO CONSTRUCTIONIS;PAPERT S., 1987, EDUC RESEARCHER, V16, P22;PARK Y, 2016, INTERNET HIGH EDUC, V29, P1, DOI 10.1016/J.IHEDUC.2015.11.001;PAULE-RUIZ MD, 2015, J UNIVERS COMPUT SCI, V21, P7;PENA-AYALA A., 2013, INTELLIGENT ADAPTIVE, P49;PENA-AYALA A, 2018, WIRES DATA MIN KNOWL, V8, DOI 10.1002/WIDM.1243;PENA-AYALA A, 2014, EXPERT SYST APPL, V41, P1432, DOI 10.1016/J.ESWA.2013.08.042;PENA-AYALA A, 2012, EXPERT SYST APPL, V39, P4690, DOI 10.1016/J.ESWA.2011.09.086;PERO M, 2015, COMPUT HUM BEHAV, V47, P128, DOI 10.1016/J.CHB.2014.09.003;PETIT J, 2018, IEEE T LEARN TECHNOL, V11, P321, DOI 10.1109/TLT.2017.2723389;PHANI KRISHNA K. V., 2018, INT J ENG TECHNOLOGY, V7, P682, DOI 10.14419/IJET.V7I2.7.10922, DOI 10.14419/IJET.V7I2.7.10922;PIAD KC, 2018, J THEORETICAL APPL I, V96, P3780;PIAGET J, 1971, PSYCHOL EPISTEMOLOGY;PINTAR D, 2018, J COMMUNICATIONS SOF, V14, P312;PRASAD D, 2016, INT REV RES OPEN DIS, V17, P215;PREDIC B, 2018, COMPUT APPL ENG EDUC, V26, P2294, DOI 10.1002/CAE.22042;QIANG T, 2016, INT J DATABASE THEOR, V9, P163, DOI DOI 10.14257/IJDTA.2016.9.11.15;QUINN D, 2015, INT J MATH EDUC SCI, V46, P991, DOI 10.1080/0020739X.2015.1076895;RADOSAV D, 2012, INT J COMPUT COMMUN, V7, P933;RAHMAN AU., 2018, J THEORETICAL APPL I, V96, P4417;RAJENDRAN R, 2013, IEEE T LEARN TECHNOL, V6, P378, DOI 10.1109/TLT.2013.31;RAMANATHAN L, 2017, INT J INTELL ENG SYS, V10, P114;RAWSON K, 2017, J EDUC PSYCHOL, V109, P208, DOI 10.1037/EDU0000130;REAMER AC, 2015, COMPUT HUM BEHAV, V47, P4, DOI 10.1016/J.CHB.2014.09.037;RESNICK L., 1996, INT ENCY ED TECHNOLO, P48;RIENTIES B, 2018, INT REV RES OPEN DIS, V19, P186;RIENTIES B, 2018, COMPUT ASSIST LANG L, V31, P273, DOI 10.1080/09588221.2017.1401548;RIENTIES B, 2016, COMPUT HUM BEHAV, V60, P333, DOI 10.1016/J.CHB.2016.02.074;RODRIGUEZ-CEREZO D, 2014, COMPUT HUM BEHAV, V31, P558, DOI 10.1016/J.CHB.2013.06.009;ROGATEN J, 2018, HIGH EDUC PEDAGOG, V3, P161, DOI 10.1080/23752696.2018.1484671;ROLL I, 2018, INT J ARTIF INTELL E, V28, P471, DOI 10.1007/S40593-018-0170-7;ROLL I, 2016, INT J ARTIF INTELL E, V26, P582, DOI 10.1007/S40593-016-0110-3;ROMAN-GONZALEZ MARCOS, 2018, INTERNATIONAL JOURNAL OF CHILD-COMPUTER INTERACTION, V18, P47, DOI 10.1016/J.IJCCI.2018.06.004;ROMERO C, 2007, EXPERT SYST APPL, V33, P135, DOI 10.1016/J.ESWA.2006.04.005;ROMERO C., 2010, HDB ED DATA MINING D;ROMERO C, 2013, COMPUT EDUC, V68, P458, DOI 10.1016/J.COMPEDU.2013.06.009;ROMERO C, 2013, WIRES DATA MIN KNOWL, V3, P12, DOI 10.1002/WIDM.1075;ROMERO C, 2010, IEEE T SYST MAN CY C, V40, P601, DOI 10.1109/TSMCC.2010.2053532;ROSS SRPJ, 2018, ONLINE LEARN, V22, P249, DOI 10.24059/OLJ.V22I2.1229;ROWE E, 2017, COMPUT HUM BEHAV, V76, P617, DOI 10.1016/J.CHB.2017.03.043;RUDY, 2015, INT J MULTIMEDIA UBI, V10, P291, DOI DOI 10.14257/IJMUE.2015.10.4.28;RUIPEREZ-VALIENTE J.A., 2017, IEEE T HUMAN MACHINE, VPP, P1;RUIPEREZ-VALIENTE JA, 2018, EXPERT SYST, V35, DOI 10.1111/EXSY.12298;RUIPEREZ-VALIENTE JA, 2017, INT J ENG EDUC, V33, P816;RUIPEREZ-VALIENTE JA, 2015, COMPUT HUM BEHAV, V47, P139, DOI 10.1016/J.CHB.2014.07.002;RYAN S, 2013, VIRTUAL U INTERNET R;CHIGNE HS, 2016, INT J ENG EDUC, V32, P1637;SAMUEL PETER JAMES I, 2018, INT J INTELLIGENT EN, V11, P173;SAN PEDRO MOZ, 2017, TECHNOL KNOWL LEARN, V22, P243, DOI 10.1007/S10758-017-9318-Z;SAN PEDRO MOZ, 2014, INT J ARTIF INTELL E, V24, P189, DOI 10.1007/S40593-014-0015-Y;SANDOVAL A, 2018, INTERNET HIGH EDUC, V37, P76, DOI 10.1016/J.IHEDUC.2018.02.002;SANTOS OC, 2015, EXPERT SYST, V32, P293, DOI 10.1111/EXSY.12041;SARIDAKIS KM, 2008, ADV ENG INFORM, V22, P202, DOI 10.1016/J.AEI.2007.10.001;SARSFIELD M, 2018, RES LEARN TECHNOL, V26, DOI 10.25304/RLT.V26.2087;SCHEUER O, 2011, ED DATA MINING;SCHMIDT M., 2017, INTERDISCIPLINARY J, V12;SCHULZE M, 2018, COMPUT ASSIST LANG L, V31, P185, DOI 10.1080/09588221.2017.1360362;SCHWENDIMANN BA, 2017, IEEE T LEARN TECHNOL, V10, P30, DOI 10.1109/TLT.2016.2599522;SEDRAKYAN G, 2016, COMPUT HUM BEHAV, V57, P352, DOI 10.1016/J.CHB.2015.12.040;SEDRAKYAN G, 2014, COMPUT HUM BEHAV, V41, P486, DOI 10.1016/J.CHB.2014.09.054;SILVA JCS, 2018, INT J INF COMMUN TEC, V14, P91, DOI 10.4018/IJICTE.2018070108;SEN B, 2012, EXPERT SYST APPL, V39, P9468, DOI 10.1016/J.ESWA.2012.02.112;SENTHIL KUMAR J, 2017, INT J MECH ENG TECHN, V8, P95;SERRANO-LAGUNA A, 2018, MULTIMED TOOLS APPL, V77, P2849, DOI 10.1007/S11042-017-4467-6;SERRANO-LAGUNA A, 2014, ENTERTAIN COMPUT, V5, P313, DOI 10.1016/J.ENTCOM.2014.02.003;SHAPIRO HB, 2017, COMPUT EDUC, V110, P35, DOI 10.1016/J.COMPEDU.2017.03.003;SHARADA N., 2018, J ENG APPL SCI, V13, P1347;SHRESTHA RM, 2016, NEURAL COMPUT APPL, V27, P2351, DOI 10.1007/S00521-015-2085-7;SHUM SB, 2012, EDUC TECHNOL SOC, V15, P3;SIEMENS G., 2012, P 2 INT C LEARN AN K, P252, DOI DOI 10.1145/2330601.2330661;SIEMENS G, 2013, AM BEHAV SCI, V57, P1380, DOI 10.1177/0002764213498851;SINGH AB, 2018, NORD J DIGIT LIT, V13, P40, DOI 10.18261/ISSN.1891-943X-2018-01-04;SLIMANI A, 2018, INT J EMERG TECHNOL, V13, P46, DOI 10.3991/IJET.V13I01.7518;SOFFER T, 2017, STUD EDUC EVAL, V54, P83, DOI 10.1016/J.STUEDUC.2016.10.001;SREENIVASA RAO K., 2018, INT J ENG TECHNOLOGY, V7, P43, DOI 10.14419/IJET.V7I1.2.8988, DOI 10.14419/IJET.V7I1.2.8988;STERN L, 2016, INT J ENG EDUC, V32, P1888;SULTANA S, 2017, INT J ELEC ENG EDUC, V54, P105, DOI 10.1177/0020720916688484;SUN G, 2018, IEEE T SERV COMPUT, V11, P292, DOI 10.1109/TSC.2015.2473854;SUN G, 2017, SUSTAINABILITY-BASEL, V9, DOI 10.3390/SU9060898;SUNG CY, 2017, COMPUT GRAPH FORUM, V36, P145, DOI 10.1111/CGF.13280;SUPIANTO AA, 2017, IEICE T INF SYST, VE100D, P2725, DOI 10.1587/TRANSINF.2017EDL8044;TABUENCA B, 2015, COMPUT EDUC, V89, P53, DOI 10.1016/J.COMPEDU.2015.08.004;TAMA BA, 2015, J INF PROCESS SYST, V11, P165, DOI 10.3745/JIPS.04.0015;TANG HT, 2018, DISTANCE EDUC, V39, P353, DOI 10.1080/01587919.2018.1476841;TARUS JK, 2017, FUTURE GENER COMP SY, V72, P37, DOI 10.1016/J.FUTURE.2017.02.049;TEASLEY SD, 2017, TECHNOL KNOWL LEARN, V22, P377, DOI 10.1007/S10758-017-9314-3;TEKIN A, 2014, EURASIAN J EDUC RES, P207, DOI 10.14689/EJER.2014.54.12;TEMPELAAR D, 2018, COMPUT HUM BEHAV, V78, P408, DOI 10.1016/J.CHB.2017.08.010;TEMPELAAR DT, 2017, IEEE T LEARN TECHNOL, V10, P6, DOI 10.1109/TLT.2017.2662679;TEMPELAAR DT, 2015, COMPUT HUM BEHAV, V47, P157, DOI 10.1016/J.CHB.2014.05.038;TENG M, 2016, INT J ONLINE ENG, V12, P4, DOI 10.3991/IJOE.V12I08.6034;TERRY K., 2016, UTILIZING VIRTUAL PE;THAKAR POOJA, 2017, INTERNATIONAL JOURNAL OF INTELLIGENT SYSTEMS AND APPLICATIONS, V9, P10, DOI 10.5815/IJISA.2017.09.02;THAKUR R. S., 2017, INT J ELECT COMPUTER, V7, P2223, DOI DOI 10.11591/IJECE.V7I4;THATAVARTI S, 2017, INT J APPL ENG RES, V12, P8651;TIMMERS CF, 2015, COMPUT EDUC, V87, P1, DOI 10.1016/J.COMPEDU.2015.03.012;TOMKIN JH, 2018, ACM T COMPUT EDUC, V18, DOI 10.1145/3157086;TSENG CW, 2018, IEEE ACCESS, V6, P72870, DOI 10.1109/ACCESS.2018.2878478;TURKLE S., 1990, EPISTEMOLOGICAL PLUR;UPADHYA MS, 2012, J COMPUTER APPL, V1, P6;VALLE L.D., 2018, RES LEARNING TECHNOL, V26;VAN DEN BEEMT A, 2018, INT REV RES OPEN DIS, V19, P37;VAN DER MERWE A, 2018, J COMPUTER SCI, V14, P1329;VAN HORNE S, 2018, TECHNOL KNOWL LEARN, V23, P21, DOI 10.1007/S10758-017-9341-0;VAN LEEUWEN A, 2015, COMPUT EDUC, V90, P80, DOI 10.1016/J.COMPEDU.2015.09.006;VARELA F.J., 1987, TREE KNOWLEDGE BIOL;VAROUCHAS E, 2018, BEHAV INFORM TECHNOL, V37, P1129, DOI 10.1080/0144929X.2018.1495765;VERMA P, 2017, COMPUT APPL ENG EDUC, V25, P977, DOI 10.1002/CAE.21849;VIALARDI C, 2011, USER MODEL USER-ADAP, V21, P217, DOI 10.1007/S11257-011-9098-4;VIBERG O, 2018, COMPUT HUM BEHAV, V89, P98, DOI 10.1016/J.CHB.2018.07.027;VIEIRA C, 2018, COMPUT EDUC, V122, P119, DOI 10.1016/J.COMPEDU.2018.03.018;VILLANO R, 2018, HIGH EDUC, V76, P903, DOI 10.1007/S10734-018-0249-Y;VISWANATHAN SA, 2018, IEEE T LEARN TECHNOL, V11, P230, DOI 10.1109/TLT.2017.2704099;VIVIAN R, 2016, ACM T COMPUT EDUC, V16, DOI 10.1145/2793507;VOLK H, 2015, J UNIVERS COMPUT SCI, V21, P156;VYGOTSKY L.S., 1978, MIND SOC DEV HIGHER;WANG L, 2016, CHIN J NAT MEDICINES, V14, P117, DOI 10.1016/S1875-5364(16)60004-3;WANG Y, 2017, ED POLICY ANAL ARCH, V25;WATSON H., 2013, INT J BUSINESS INTEL, V4, P1;WEI XC, 2017, INFORMATION, V8, DOI 10.3390/INFO8030092;WIJAYANTO F, 2017, J TELECOMMUNICATION, V9, P37;WINNE P. H., 2013, J ED DATA MINING, V5, P1, DOI DOI 10.5281/ZENODO.3554619;WOOK M, 2017, EDUC INF TECHNOL, V22, P1195, DOI 10.1007/S10639-016-9485-X;WORSLEY M, 2018, INT J ARTIF INTELL E, V28, P385, DOI 10.1007/S40593-017-0160-1;WU PF, 2018, EDUC TECHNOL SOC, V21, P192;WUTTKE HD, 2015, INT J ONLINE ENG, V11, P62, DOI 10.3991/IJOE.V11I3.4558;XIA Y, 2015, INT J MULTIMEDIA UBI, V10, P405;XIE C, 2014, INT J ENG EDUC, V30, P760;XIE C, 2014, INT J ENG EDUC, V30, P218;XIE T, 2017, IEEE ACCESS, V5, P11490, DOI 10.1109/ACCESS.2017.2717858;XING WL, 2018, COMPUT EDUC, V126, P388, DOI 10.1016/J.COMPEDU.2018.08.010;XING WL, 2016, COMPUT HUM BEHAV, V58, P119, DOI 10.1016/J.CHB.2015.12.007;XING WL, 2015, COMPUT HUM BEHAV, V47, P168, DOI 10.1016/J.CHB.2014.09.034;YAHYA AA, 2018, J EXP THEOR ARTIF IN, V30, P857, DOI 10.1080/0952813X.2018.1509378;YU J, 2017, IEEE ACCESS, V5, P2141, DOI 10.1109/ACCESS.2017.2657790;ZADEH L. A., 1996, FUZZY SETS FUZZY LOG;ZADEH LA, 1994, COMMUN ACM, V37, P77, DOI 10.1145/175247.175255;ZAFFAR M, 2018, INT J ADV COMPUT SC, V9, P541;ZAFRA A, 2012, APPL SOFT COMPUT, V12, P2693, DOI 10.1016/J.ASOC.2012.03.054;ZHOU Q, 2018, KNOWL INF SYST, V55, P393, DOI 10.1007/S10115-017-1086-5;ZHOU XL, 2016, J ADV COMPUT INTELL, V20, P1141;ZHUHADAR L, 2013, COMPUT HUM BEHAV, V29, P378, DOI 10.1016/J.CHB.2012.09.009;ZUO ZY, 2017, J ASSOC INF SCI TECH, V68, P1266, DOI 10.1002/ASI.23751