ALBUQUERQUE J, 2017, COMPUT EDUC, V115, P161, DOI 10.1016/J.COMPEDU.2017.08.005;ALMALIKI M., 2014, IEEE T POWER SYSTEMS, P1;ALMALIKI M, 2014, INT CONF UTIL CLOUD, P624, DOI 10.1109/UCC.2014.99;ATTALI Y, 2015, COMPUT EDUC, V83, P57, DOI 10.1016/J.COMPEDU.2014.12.012;BERNHAUPT R, 2010, HUM-COMPUT INT-SPRIN, P1, DOI 10.1007/978-1-84882-963-3;BITTNER JV, 2014, J CONSUM MARK, V31, P391, DOI 10.1108/JCM-04-2014-0945;BUCKLEY P, 2017, COMPUT EDUC, V106, P43, DOI 10.1016/J.COMPEDU.2016.11.009;CODISH D, 2014, INT CONF UTIL CLOUD, P609, DOI 10.1109/UCC.2014.94;CONAWAY R, 2014, SPRINGERPLUS, V3, DOI 10.1186/2193-1801-3-653;CRONBACH LJ, 1951, PSYCHOMETRIKA, V16, P297;DETERDING S., 2011, CHI EA, P2425, DOI DOI 10.1145/1979742.1979575;DICHEVA D, 2015, EDUC TECHNOL SOC, V18, P75;DOMINGUEZ A, 2013, COMPUT EDUC, V63, P380, DOI 10.1016/J.COMPEDU.2012.12.020;FERRERA J., 2012, PLAYFUL DESIGN CREAT;FERSTER C. B., 1957, SCHEDULES REINFORCEM;FOGG B. J., 2002, PERSUASIVE TECHNOLOG;FREDRICKS JA, 2004, REV EDUC RES, V74, P59, DOI 10.3102/00346543074001059;GIL BORJA, 2015, DESIGN FOR TEACHING AND LEARNING IN A NETWORKED WORLD. 10TH EUROPEAN CONFERENCE ON TECHNOLOGY-ENHANCED LEARNING, EC-TEL 2015. PROCEEDINGS: LNCS 9307, P568, DOI 10.1007/978-3-319-24258-3_61;GILBERT S., 2015, DESIGNING GAMIFIED S;GOULD JD, 1985, COMMUN ACM, V28, P300, DOI 10.1145/3166.3170;HEKKERT P., 2006, PSYCHOL SCI, V48, P157;HERBERT B, 2014, 2014 INTERNATIONAL CONFERENCE ON INTERACTIVE TECHNOLOGIES AND GAMES (ITAG 2014), P71, DOI 10.1109/ITAG.2014.17;KAPP K. M., 2012, GAMIFICATION LEARNIN;KI E.N, 2014, COMMERCIAL T VIRTUAL, P103;KLOCK A.C.T., 2016, P 15 BRAZ S HUM FACT;KOIVISTO J, 2014, COMPUT HUM BEHAV, V35, P179, DOI 10.1016/J.CHB.2014.03.007;KOTINI I., 2015, GAMIFICATION ED BUSI, P219, DOI 10.1007/978-3-319-10208-5 12, DOI 10.1007/978-3-319-10208-5_12;LAZAR J., 2010, RES METHODS HUMAN CO;LAZZARO N, 2009, HUM FACTORS ERGON, P155;LEHMANN J., 2012, USER MODELING ADAPTA, DOI 10.1007/978-3-642-31454-4_14, DOI 10.1007/978-3-642-31454-4_14;LLAGOSTERA E, 2012, P SBGAMES 2012, P12;MARACHE-FRANCISCO C, 2014, ADV HUM SOC ASPEC T, P205, DOI 10.4018/978-1-4666-4623-0.CH010;MARCZEWSKI ANDRZEJ, 2015, EVEN NINJA MONKEYS P;MORA A, 2017, J COMPUT HIGH EDUC, V29, P516, DOI 10.1007/S12528-017-9150-4;MORA A, 2016, LECT NOTES COMPUT SC, V9599, P530, DOI 10.1007/978-3-319-40216-1_57;NAH FIONA FUI-HOON, 2013, HUMAN INTERFACE AND THE MANAGEMENT OF INFORMATION. INFORMATION AND INTERACTION FOR LEARNING, CULTURE, COLLABORATION AND BUSINESS. 15TH INTERNATIONAL CONFERENCE, HCI INTERNATIONAL 2013. PROCEEDINGS: LNCS 8018, P99, DOI 10.1007/978-3-642-39226-9_12;OEHLERT G. W., 2010, 1 COURSE DESIGN ANAL;PEDRO LZ, 2015, 30TH ANNUAL ACM SYMPOSIUM ON APPLIED COMPUTING, VOLS I AND II, P214, DOI 10.1145/2695664.2695752;PURCHASE H., 2012, EXPT HUMAN COMPUTER;RYAN RM, 2000, CONTEMP EDUC PSYCHOL, V25, P54, DOI 10.1006/CEPS.1999.1020;SCHAUFELI WB, 2002, J CROSS CULT PSYCHOL, V33, P464, DOI 10.1177/0022022102033005003;SEABORN K, 2015, INT J HUM-COMPUT ST, V74, P14, DOI 10.1016/J.IJHCS.2014.09.006;SIMOES J, 2013, COMPUT HUM BEHAV, V29, P345, DOI 10.1016/J.CHB.2012.06.007;SU CH, 2013, PROCD SOC BEHV, V103, P42, DOI 10.1016/J.SBSPRO.2013.10.305;KLOCK ACT, 2018, 33RD ANNUAL ACM SYMPOSIUM ON APPLIED COMPUTING, P2006, DOI 10.1145/3167132.3167347;KLOCK ACT, 2015, LECT NOTES COMPUT SC, V9192, P595, DOI 10.1007/978-3-319-20609-7_56;TONDELLO GF, 2017, CHI PLAY'17: PROCEEDINGS OF THE ANNUAL SYMPOSIUM ON COMPUTER-HUMAN INTERACTION IN PLAY, P129, DOI 10.1145/3116595.3116627;TSAY CHH, 2018, COMPUT EDUC, V121, P1, DOI 10.1016/J.COMPEDU.2018.01.009;VASALOU A, 2009, COMPUT HUM BEHAV, V25, P510, DOI 10.1016/J.CHB.2008.11.007;VILAS, 2015, ELEARNING PAPERS, V43, P38, DOI 10.1016/J.IMMUNI.2007.02.006, DOI 10.1016/J.IMMUNI.2007.02.006;WERBACH K., 2012, WIN GAME THINKING CA;WIGGINS B.E., 2018, GAMIFICATION ED BREA, P191;WOHLIN C., 2012, EXPT SOFTWARE ENG;WONGSO O, 2014, 2014 2ND INTERNATIONAL CONFERENCE ON TECHNOLOGY, INFORMATICS, MANAGEMENT, ENGINEERING, AND ENVIRONMENT (TIME-E 2014), P10, DOI 10.1109/TIME-E.2014.7011583;YOUNG A, 2011, RESILIENCE IN DEAF CHILDREN: ADAPTATION THROUGH EMERGING ADULTHOOD, P3, DOI 10.1007/978-1-4419-7796-0_1;ZICHERMANN G., 2011, GAMIFICATION DESIGN