CHRISTIAN, L.; URFAN, M. Perancangan Sistem Informasi Penjualan pada Perusahaan Jasa Service Provider. ComTech: Computer, Mathematics and Engineering Applications, [S. l.], v. 3, n. 1, p. 128-141, 2012. DOI: 10.21512/comtech.v3i1.2391. Disponível em: https://journal.binus.ac.id/index.php/comtech/article/view/2391. Acesso em: 13 mar. 2025.