Uzunboylu, Huseyin, and Senay Kocakoyun. “A Content Analysis of Master and Doctorate Thesis in the Area of Gamification”. International Journal of Innovative Research in Education 3, no. 3 (June 15, 2017): 143–154. Accessed May 8, 2024. https://un-pub.eu/ojs/index.php/IJIRE/article/view/1855.