AGUDO-PEREGRINA AF, 2014, COMPUT HUM BEHAV, V31, P542, DOI 10.1016/J.CHB.2013.05.031;ARIMOTO MM, 2016, INFORM EDUC, V15, P205, DOI 10.15388/INFEDU.2016.11;CAMPAGNI R, 2015, EXPERT SYST APPL, V42, P5508, DOI 10.1016/J.ESWA.2015.02.052;CASQUERO O, 2016, INTERACT LEARN ENVIR, V24, P49, DOI 10.1080/10494820.2013.817441;CEREZO R, 2016, COMPUT EDUC, V96, P42, DOI 10.1016/J.COMPEDU.2016.02.006;DAGIENE V, 2007, INF TECHNOL CONTROL, V36, P402;DORCA FA, 2016, INFORM EDUC, V15, P45, DOI 10.15388/INFEDU.2016.03;FELDER RM, 1988, ENG EDUC, V78, P674;GOHNERT TILMAN, 2014, COLLABORATION AND TECHNOLOGY. 20TH INTERNATIONAL CONFERENCE, CRIWG 2014. PROCEEDINGS: LNCS 8658, P177, DOI 10.1007/978-3-319-10166-8_16;HARRER A., 2015, P 5 INT C LEARN AN K, P406, DOI 10.1145/2723576.2723665, DOI 10.1145/2723576.2723665;HERNANDEZ-GARCIA A, 2016, J INF TECHNOL RES, V9, P1, DOI 10.4018/JITR.2016100101;JASUTE E, 2016, INT J ENG EDUC, V32, P1078;JEVSIKOVA T, 2017, INFORM EDUC, V16, P61, DOI 10.15388/INFEDU.2017.04;JUSKEVICIENE A, 2016, INT J ENG EDUC, V32, P1087;KITCHENHAM B., 2004, PROCEDURES PERFORMIN;KURILOVA J, 2017, COMM COM INF SC, V756, P487, DOI 10.1007/978-3-319-67642-5_41;KURILOVAS E, 2017, EDULEARN PROC, P10180;KURILOVAS E, 2016, COMM COM INF SC, V639, P479, DOI 10.1007/978-3-319-46254-7_38;KURILOVAS E, 2016, INT J ENG EDUC, V32, P1618;KURILOVAS E, 2016, INT J ENG EDUC, V32, P1596;KURILOVAS E, 2016, BEHAV INFORM TECHNOL, V35, P998, DOI 10.1080/0144929X.2016.1212929;KURILOVAS E, 2015, COMPUT HUM BEHAV, V51, P1380, DOI 10.1016/J.CHB.2014.10.026;KURILOVAS E, 2015, COMPUT HUM BEHAV, V51, P945, DOI 10.1016/J.CHB.2014.10.027;KURILOVAS E, 2013, TECHNOL ECON DEV ECO, V19, P706, DOI 10.3846/20294913.2013.837112;KURILOVAS E, 2012, INT J ENG EDUC, V28, P1309;KURILOVAS E, 2012, INT J ENG EDUC, V28, P1288;KURILOVAS E, 2011, PROCEEDINGS OF THE 10TH EUROPEAN CONFERENCE ON E-LEARNING, VOLS 1 AND 2, P380;KURILOVAS E, 2009, 2009 FOURTH INTERNATIONAL CONFERENCE ON SOFTWARE ENGINEERING ADVANCES (ICSEA 2009), P477, DOI 10.1109/ICSEA.2009.93;KURILOVAS E, 2009, STUD COMP INTELL, V237, P121;KURILOVAS E, 2009, INFORMATICA-LITHUAN, V20, P499;LUNA JM, 2017, COMPUT APPL ENG EDUC, V25, P90, DOI 10.1002/CAE.21782;LYTRAS MD, 2014, J UNIVERS COMPUT SCI, V20, P1402;MAMCENKO J, 2017, PROC EUR CONF ELEARN, P353;MANSKE S, 2014, IEEE INT CONF ADV LE, P254, DOI 10.1109/ICALT.2014.80;DODERO JM, 2017, FUTURE GENER COMP SY, V68, P31, DOI 10.1016/J.FUTURE.2016.06.040;PARK Y, 2016, INTERNET HIGH EDUC, V29, P1, DOI 10.1016/J.IHEDUC.2015.11.001;PESARE E, 2015, J VISUAL LANG COMPUT, V31, P252, DOI 10.1016/J.JVLC.2015.10.021;QVIST P, 2015, INT J ENG PEDAGOG, V5, P64, DOI 10.3991/IJEP.V5I4.4962;ROMERO C, 2008, COMPUT EDUC, V51, P368, DOI 10.1016/J.COMPEDU.2007.05.016;ROMERO C, 2013, COMPUT EDUC, V68, P458, DOI 10.1016/J.COMPEDU.2013.06.009;TAKALA TM, 2016, INFORM EDUC, V15, P287, DOI 10.15388/INFEDU.2016.15