AL-ZABEN N, 2018, 2018 INTERNATIONAL CONFERENCE ON COMPUTING, ELECTRONICS & COMMUNICATIONS ENGINEERING (ICCECE), P77, DOI 10.1109/ICCECOME.2018.8658586;AMO D., 2017, LEARNING ANAL NARRAC;AMO D., 2018, THESIS;APOSTOLAKI M, 2017, P IEEE S SECUR PRIV, P375, DOI 10.1109/SP.2017.29;ARENAS R, 2018, INT ICE CONF ENG;BACON JOHAN DAVID MICHELS, 2018, RICH J TECH, V259, P1;BDIWI R, 2017, IEEE INT CONF ADV LE, P101, DOI 10.1109/ICALT.2017.37;BORER N., 2017, P 9 INT C INF COMM T, DOI 10.2514/6.2017-0209;CHATTI MA, 2012, INT J TECHNOL ENHANC, V4, P318, DOI 10.1504/IJTEL.2012.051815;CONTI M, 2018, IEEE COMMUN SURV TUT, V20, P3416, DOI 10.1109/COMST.2018.2842460;CRUZ-BENITO J, 2019, TELEMAT INFORM, V38, P118, DOI 10.1016/J.TELE.2018.09.006;DAI FF, 2017, INT CONF SYST INFORM, P975, DOI 10.1109/ICSAI.2017.8248427;DIMA G.A., 2018, P 2018 IEEE 4 INT FO, P1;DRESCHER D, 2017, BLOCKCHAIN BASICS;DUAN B, 2017, INT C PAR DISTRIB SY, P814, DOI 10.1109/ICPADS.2017.00114;FARAH JC, 2018, IEEE INT CONF ADV LE, P218, DOI 10.1109/ICALT.2018.00059;FLANAGAN B, 2018, KNOWL MANAG E-LEARN, V10, P469;GERVAIS L, 2016, REV FR ETUD AMER, P3, DOI 10.3917/RFEA.148.0003;GILDA S, 2018, INT CONF COMP COMMUN;GONG XY, 2018, CHIN AUTOM CONGR, P2390, DOI 10.1109/CAC.2018.8623198;GUANG CHEN, 2018, SMART LEARNING ENVIRONMENTS, V5, DOI 10.1186/S40561-017-0050-X;HAN M, 2018, SIGITE'18: PROCEEDINGS OF THE 19TH ANNUAL SIG CONFERENCE ON INFORMATION TECHNOLOGY EDUCATION, P178, DOI 10.1145/3241815.3241870;HEROLD B., 2014, INBLOOM SHUT GROWING;JOSHI AP, 2018, MATH FDN COMPUT, V1, P121, DOI 10.3934/MFC.2018007;KITCHENHAM, 2007, GUIDELINES PERFORMIN, DOI DOI 10.1145/1134285.1134500;MENSE A, 2014, IIWAS2018: THE 20TH INTERNATIONAL CONFERENCE ON INFORMATION INTEGRATION AND WEB-BASED APPLICATIONS & SERVICES, P375, DOI 10.1145/3282373.3282419;MILLARD C, 2018, COMPUT LAW SECUR REV, V34, P843, DOI 10.1016/J.CLSR.2018.06.006;MOHER D, 2009, PLOS MED, V6, DOI 10.1371/JOURNAL.PMED.1000097, 10.1016/J.IJSU.2010.02.007, 10.1371/JOURNAL.PMED.1000217, 10.1136/BMJ.B2535;MOUBARAK J, 2018, 2018 IEEE MIDDLE EAST AND NORTH AFRICA COMMUNICATIONS CONFERENCE (MENACOMM), P7;NAKAMOTO S., 2008, BITCOIN PEER TO PEER;NEIVA FW, 2016, INFORM SOFTWARE TECH, V72, P137, DOI DOI 10.1016/J.INFS0F.2015.12.013;OCHEJA P, 2018, PROCEEDINGS OF THE 8TH INTERNATIONAL CONFERENCE ON LEARNING ANALYTICS & KNOWLEDGE (LAK'18): TOWARDS USER-CENTRED LEARNING ANALYTICS, P265, DOI 10.1145/3170358.3170365;PAGALLO U, 2018, FRONT ARTIF INTEL AP, V313, P81, DOI 10.3233/978-1-61499-935-5-81;SHADISH WR, 2006, SYSTEMATIC REVIEWS IN THE SOCIAL SCIENCES: A PRACTICAL GUIDE, P1;SONI A, 2018, 2018 5TH INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING AND INTEGRATED NETWORKS (SPIN), P13, DOI 10.1109/SPIN.2018.8474232;SOOMRO AB, 2016, INFORM SOFTWARE TECH, V73, P52, DOI 10.1016/J.INFSOF.2016.01.006;SRIVASTAVA A, 2018, 2018 SECOND INTERNATIONAL CONFERENCE ON ADVANCES IN COMPUTING, CONTROL AND COMMUNICATION TECHNOLOGY (IAC3T), P54, DOI 10.1109/IAC3T.2018.8674023;SUN H, 2018, INT J EMERG TECHNOL, V13, P252, DOI 10.3991/IJET.V13I10.9455;TURCU C, 2018, PROC INT C VIRTUAL L, P361;TURKANOVIC M, 2018, IEEE ACCESS, V6, P5112, DOI 10.1109/ACCESS.2018.2789929;WILLIAMSON B, 2017, LEARN MEDIA TECHNOL, V42, P440, DOI 10.1080/17439884.2017.1278020;XU YQ, 2017, LECT NOTES COMPUT SC, V10580, P288, DOI 10.1007/978-3-319-67729-3_17