MITRA, Mr. Neelanjan; BANERJEE, Mr. Swaswata; HAZRA, Dr. Anirban. Assessing the Evolution of Unified Payment Interface (UPI) Usage: A Comparative Analysis of Pre and Post-COVID-19 Pandemic Trends. Swami Vivekananda University Press, Kolkata, West Bengal, India., p. 92–104, 2025. Disponível em: https://swamivivekanandauniversitypress.com/index.php/svup/article/view/117. Acesso em: 24 oct. 2026.