SAVIOUR F. A Study on Customer Satisfaction of Mobile Wallet Services Provided by Paytm. International Journal of Engineering and Management Research, [S. l.], v. 9, n. 1, p. 19–26, 2019. DOI: 10.31033/ijemr.9.1.2. Disponível em: https://ijemr.vandanapublications.com/index.php/j/article/view/502. Acesso em: 18 mar. 2026.