Shital Kene, Sunil Manoharrao Ikharkar, Vipul S Akhare. “Gamification Strategies in Education, Fitness Apps and Financial Services for Enhancing Customer Engagement”. European Economic Letters (EEL) 15, no. 4 (October 11, 2025): 926–933. Accessed October 27, 2025. https://www.eelet.org.uk/index.php/journal/article/view/3776.