Permatasari, Annisa Miranda, Saida Ulfa, Dedi Kuswandi, and Yerry Soepriyanto. “Behavioural Engagement in Visual Programming Online Course Gamification”. Journal of Educational Technology Studies and Applied Research 1, no. 1 (August 31, 2024): 1–5. Accessed September 17, 2025. https://journal.teknologipendidikan.or.id/index.php/jetsar/article/view/2.