SIHOMBING, J. Rolles Herwin; THERESIA, Selvyna. Perancangan Sistem Informasi Prepaid di Perusahaan Makanan Siap Saji XYZ. ComTech: Computer, Mathematics and Engineering Applications, [S. l.], v. 6, n. 2, p. 215–228, 2015. DOI: 10.21512/comtech.v6i2.2266. Disponível em: https://journal.binus.ac.id/index.php/comtech/article/view/2266. Acesso em: 9 jul. 2025.