MOHAMMED SADAF AHMED, DR SUSHIL PANDE. UPI in India: Challenges and Opportunities. European Economic Letters (EEL), [S. l.], v. 15, n. 3, p. 2330–2337, 2025. Disponível em: https://www.eelet.org.uk/index.php/journal/article/view/3667. Acesso em: 16 nov. 2025.