Arnold S. Saputra, Yanditya E. Dwipada, Yoga A. Maulana, Emil R. Kaburuan*, Gunawan Wang (2020) “The Effect of Online Gamification of Tutoring to Improve Student’s Achievement”, International Journal of Control and Automation, 13(02), pp. 1151 - 1158. Available at: http://sersc.org/journals/index.php/IJCA/article/view/26900 (Accessed: 25April2024).