KEZALDO; SYAHRI, M. Sistem Informasi Monitoring Helpdesk pada PT. Krama Yudha Ratu Motor Dengan Metode Waterfall. JUPITER : Journal of Computer & Information Technology, [S. l.], v. 2, n. 1, p. 63–77, 2021. DOI: 10.53990/jupiter.v2i1.41. Disponível em: https://ojs.ibm.ac.id/index.php/jupiter/article/view/41. Acesso em: 26 jul. 2025.