Alfiansyah, Raya Agung Astri Wardhani, Timmy Setiadi, Gunawan Wang. “Assessing the Impact of Gamification on Continuous Usage Intention in Fintech Startup (Case Study : Go Pay Mission)”. International Journal of Advanced Science and Technology, Vol. 29, no. 04, June 2020, pp. 8248 -, http://sersc.org/journals/index.php/IJAST/article/view/30561.