Metode Waterfall Dalam Sistem Informasi Pembayaran Administrasi Sekolah. Journal of Students‘ Research in Computer Science, [S. l.], v. 2, n. 1, p. 65–76, 2021. DOI: 10.31599/jsrcs.v2i1.637. Disponível em: https://ejurnal.ubharajaya.ac.id/index.php/JSRCS/article/view/637.. Acesso em: 27 apr. 2024.