MOHD JAAFAR, J. .; MAN, M. . SISTEM PEMBAYARAN ELEKTRONIK TANPA TUNAI: SATU KEPERLUAN DI ERA COVID-19 PANDEMIK. Journal of Mathematical Sciences and Informatics, [S. l.], v. 2, n. 1, 2022. DOI: 10.46754/jmsi.2022.06.002. Disponível em: https://journal.umt.edu.my/index.php/jmsi/article/view/285. Acesso em: 15 sep. 2026.