Jafari, Mohammad Bagher, and Katarína Horváthová. “Impact of Mobile Fitness Game Apps on Motivation and Lifestyle Change Readiness”. Game Nexus 2, no. 2 (April 1, 2025): 1–11. Accessed February 11, 2026. https://game-nexus.org/index.php/gamenexus/article/view/23.