K. T. NIRMALA DEVI, S.VIJAYALAKSHMI. A Study on the Factors Influencing the Unorganised Retailers to Adopt Upi Payment System in Thoothukudi District. International Journal on Recent and Innovation Trends in Computing and Communication, [S. l.], v. 11, n. 11, p. 1739–1742, 2023. Disponível em: https://ijritcc.org/index.php/ijritcc/article/view/11216. Acesso em: 31 oct. 2025.