Karlna, Nia, Arsa Widitiarsa Utoyo, and Emmanuel Himawan Saptaputra. “Gamification Analysis for Motivation and Engagement Using Running Apps ”. Journal of Games, Game Art, and Gamification 4, no. 1 (October 19, 2021). Accessed May 1, 2026. https://journal.binus.ac.id/index.php/jggag/article/view/7459.