Barokati Seliro Wangi, N., Halim, P., Badruddin, S., Maulamin, T., Ikhsan Setiawan, M., Barid Nizarudin Wajdi, M., Kesna Mahatmaharti, A., Fita Heriyawati, D., & Simarmata, J. (2018). Gamification Framework and Achievement Motivation in Digital Era : Concept and Effectiveness. International Journal of Engineering & Technology, 7(3.6), 429-431. https://doi.org/10.14419/ijet.v7i3.6.17487