R. Kaburuan, Kevin, Patria Ludi Permana (2020) “Application of Gamification for the Attendance System to Improve Employee Discipline”, International Journal of Advanced Science and Technology, 29(05), pp. 9683 - 9687. Available at: http://sersc.org/journals/index.php/IJAST/article/view/19436 (Accessed: 6May2024).