Yopi Putra, Ayu Puspitarini, Edi Yusuf Wirawan, Emil R. Kaburuan*, Gunawan Wang. (2020). Designing the Gamification Framework to Increase Sales Motivation at PT XYZ. International Journal of Control and Automation, 13(02), 1063 - 1070. Retrieved from http://sersc.org/journals/index.php/IJCA/article/view/26883