SIHOMBING, J. R. H.; THERESIA, S. 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: 29 mar. 2025.