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, India, v. 2, p. 133–139, 2024. Disponível em: https://www.ijisem.com/journal/index.php/ijisem/article/view/115. Acesso em: 2 nov. 2026.