RITONGA, M. P. Utilizing digital payment in the rumah ide coffee. Journal of Management Science (JMAS), [S. l.], v. 7, n. 3, p. 416–421, 2024. Disponível em: https://www.exsys.iocspublisher.org/index.php/JMAS/article/view/505. Acesso em: 27 jul. 2026.