KAUR, G. .; KUSHWAHA, B. P. . Digital Payment Systems A Way to Protect One Another From Coronavirus. The journal of contemporary issues in business and government, [S. l.], v. 27, n. 1, p. 2381–2388, 2021. Disponível em: https://cibgp.com/au/index.php/1323-6903/article/view/712. Acesso em: 15 jan. 2025.