PANKAJ MEHTA, SOMA ARORA. Influence Of Gamification On UPI Adoption And Sustained Digital Payment Behavior In Indian E-Commerce. European Economic Letters (EEL), [S. l.], v. 15, n. 1, p. 1777–1786, 2025. DOI: 10.52783/eel.v15i1.2561. Disponível em: https://www.eelet.org.uk/index.php/journal/article/view/2561. Acesso em: 3 jan. 2026.