SABIRIN, Sahril; WIDYARTO, Setyawan. Metode Blackbox Dalam Pengujian Sistem Penjadwalan Janji Klinik/Dokter Berbasis Whatsapp dan Website (Medicalchat). Proceedings of the Informatics Conference, [S. l.], v. 10, n. 21, p. 37–42, 2026. Disponível em: https://ojs.journals.unisel.edu.my/index.php/icf/article/view/401. Acesso em: 25 may. 2026.