Arifin, Viva, Velia Handayani, Luh Kesuma Wardhani, Hendra Bayu Suseno, and Siti Ummi Masruroh. “User Interface and Exprience Gamification-Based E-Learning With Design Science Research Methodology”. MATRIK : Jurnal Manajemen, Teknik Informatika dan Rekayasa Komputer 22, no. 1 (November 30, 2022): 165–176. Accessed July 1, 2025. https://journal.universitasbumigora.ac.id/matrik/article/view/2427.