The Role of Mobile Payment Systems in E-commerce: Transforming the Banking and Retail Landscape. Journal of Informatics Education and Research, [S. l.], v. 5, n. 1, 2025. DOI: 10.52783/jier.v5i1.1965. Disponível em: https://jier.org/index.php/journal/article/view/1965. Acesso em: 21 jun. 2026.