Hanif A, Ramadhan RH. Pengembangan Sistem Informasi Penjualan Kamera CCTV Berbasis Web Menggunakan Model Waterfall. JAIS [Internet]. 2021Dec.1 [cited 2024May2];1(2):24-9. Available from: http://jurnal.bsi.ac.id/index.php/jais/article/view/945