UDITA KUJUR; SANSKRITY JOSEPH; S. K. INDURKAR. What makes it Green for the Unified Payment Interface (UPI)? A Study. International Journal of Innovations in Science, Engineering And Management, [S. l.], v. 2, p. 133–139, 2024. Disponível em: https://ijisem.com/journal/index.php/ijisem/article/view/115. Acesso em: 27 aug. 2025.