ADRAOUI M., 2017, 2017 16 INT C INF TE, P1;AL-AZAWEI A, 2019, J INF TECHNOL EDUC-R, V18, P253, DOI 10.28945/4360;AL-DHANHANI A, 2015, SOC NETW ANAL MIN, V5, DOI 10.1007/S13278-015-0303-Z;AL-KINDI SALIM SAID, 2017, INTERNATIONAL JOURNAL OF KNOWLEDGE CONTENT DEVELOPMENT & TECHNOLOGY, V7, P67, DOI 10.5865/IJKCT.2017.7.3.067;ALALWAN N, 2019, IEEE ACCESS, V7, P98725, DOI 10.1109/ACCESS.2019.2928142;ALARIO-HOYOS C, 2014, IEEE T LEARN TECHNOL, V7, P260, DOI 10.1109/TLT.2014.2311807;APARICIO-MARTINEZ P, 2020, TELEMAT INFORM, V46, DOI 10.1016/J.TELE.2019.101304;DA SILVA LFC, 2019, J ASSOC INF SCI TECH, V70, P140, DOI 10.1002/ASI.24080;CELA K, 2016, BRIT J EDUC TECHNOL, V47, P1065, DOI 10.1111/BJET.12267;CHAN A., 2014, MOODLE PLUGINS DIREC;CHAN R., 2019, BUSINESS INSIDER;CHEN CM, 2019, COMPUT EDUC, V133, P94, DOI 10.1016/J.COMPEDU.2019.01.011;CORELL A, 2018, PLOS ONE, V13, DOI 10.1371/JOURNAL.PONE.0194096;DAVIDSON A., 2016, MOODLE PLUGINS DIREC;DIAZ F., P 10 S SOC INF SSI, P58;DOLECK T, 2019, EDUC INF TECHNOL, V24, P1545, DOI 10.1007/S10639-018-9843-Y;DOU R, 2019, PHYS REV PHYS EDUC R, V15, DOI 10.1103/PHYSREVPHYSEDUCRES.15.020105;FIDALGO-BLANCO A, 2015, COMPUT HUM BEHAV, V47, P149, DOI 10.1016/J.CHB.2014.11.050;FILVA D. A., 2014, P 2 INT C TECHN EC E, P269, DOI 10.1145/2669711.2669910, DOI 10.1145/2669711.2669910;GARRISON D. R., 2019, J ASYNCHRONOUS LEARN, V11, P61;GITINABARD N, 2019, IEEE T LEARN TECHNOL, V12, P184, DOI 10.1109/TLT.2019.2911832;GONZALEZ-BANALES D. L., 2014, ITECKNE, V11, DOI 10.15332/ITECKNE.V11I1.517, DOI 10.15332/ITECKNE.V11I1.517;GRANDO F., IEEE GLOB COMM C GLO;GREENHOW C., 2017, SAGE ENCY OUT OF SCH;HARDT D., 2012, 6749 RFC INT ENG TAS;HAUSKNECHT S. N., 2013, P 3 INT C LEARN AN K, P48, DOI DOI 10.1145/2460296.2460308;HERNANDEZ-GARCIA A, 2018, COMPUT HUM BEHAV, V89, P373, DOI 10.1016/J.CHB.2018.07.016;HERNANDEZ-GARCIA A, 2016, INT J EMERG TECHNOL, V11, P6, DOI 10.3991/IJET.V11I07.5889;HERNANDEZ-GARCIA A, 2015, COMPUT HUM BEHAV, V47, P68, DOI 10.1016/J.CHB.2014.10.038;HUANG CJ, 2018, COMPUT EDUC, V119, P76, DOI 10.1016/J.COMPEDU.2017.12.010;HUANG R., 2019, P 21 CENTURY ED TECH, P107;JO I, 2017, J COMPUT ASSIST LEAR, V33, P106, DOI 10.1111/JCAL.12168;JOKSIMOVIC S, 2020, IEEE T LEARN TECHNOL, V13, P38, DOI 10.1109/TLT.2019.2916808;KALELIOGLU F, 2017, INFORM EDUC, V16, P83, DOI 10.15388/INFEDU.2017.05;KHARB L., 2017, AM J ENG RES AJER, V6, P90;KIM D, 2016, INTERNET HIGH EDUC, V30, P30, DOI 10.1016/J.IHEDUC.2016.03.002;KIM MK, 2019, INTERNET HIGH EDUC, V41, P62, DOI 10.1016/J.IHEDUC.2019.02.002;LAMBIC D, 2016, COMPUT HUM BEHAV, V61, P313, DOI 10.1016/J.CHB.2016.03.052;LUCKIN R, 2008, COMPUT EDUC, V50, P449, DOI 10.1016/J.COMPEDU.2007.09.018;LUO T, 2019, J COMPUT HIGH EDUC, V31, P81, DOI 10.1007/S12528-018-9192-2;MANCA S, 2020, INTERNET HIGH EDUC, V44, DOI 10.1016/J.IHEDUC.2019.100707;MCLOUGHLIN CATHERINE., 2011, WEB 2 0 BASED E LEAR, P43, DOI DOI 10.4018/978-1-60566-294-7.CH003;MUNOZ A, 2017, PROCEDIA COMPUT SCI, V121, P982, DOI 10.1016/J.PROCS.2017.11.127;REFFAY C., 2013, HDB DESIGN ED TECHNO, DOI 10.4324/9780203075227.CH39, DOI 10.4324/9780203075227.CH39;REYES P, 2005, CSCL 2005: COMPUTER SUPPORTED COLLABORATIVE LEARNING 2005: THE NEXT 10 YEARS, PROCEEDINGS, P509;RIDDLE M., 2005, INTRO SOCIAL NETWORK;RODRIGUEZ CR, 2019, REV ITECKNE, V16, P48, DOI 10.15332/ITECKNE.V16I1.2161, 10.15332/.V16I1.2161;SAQR M, 2019, BMC MED EDUC, V19, DOI 10.1186/S12909-019-1599-6;SAQR M, 2018, PLOS ONE, V13, DOI 10.1371/JOURNAL.PONE.0194777;SAQR M, 2018, BMC MED EDUC, V18, DOI 10.1186/S12909-018-1126-1;SHANE-SIMPSON C, 2018, COMPUT HUM BEHAV, V86, P276, DOI 10.1016/J.CHB.2018.04.041;SHUM SB, 2012, EDUC TECHNOL SOC, V15, P3;SUN Y., 2017, MOODLE PLUGINS DIREC;VAN DEN BEEMT A, 2020, TECHNOL PEDAGOG EDUC, V29, P35, DOI 10.1080/1475939X.2019.1695657;VATE-U-LAN P, 2020, J COMPUT HIGH EDUC, V32, DOI 10.1007/S12528-019-09222-1;VERDU E., P 6 WSEAS INT C DIST, P10;WAKEFIELD J, 2020, COMPUT EDUC, V144, DOI 10.1016/J.COMPEDU.2019.103694;WEIDLICH J, 2019, COMPUT EDUC, V142, DOI 10.1016/J.COMPEDU.2019.103622;ZACHOS G, 2018, EDUC SCI, V8, DOI 10.3390/EDUCSCI8040194