Tri Mulyani, Hafidh Zalainus Sahrul Ausath, Sandra Putri Saigon, Ferdiansah, and Aries Saifudin, “Pengujian Sistem Informasi Point Of Sale Berbasis Website Menggunakan Metode Waterfall pada CV Tray Store”, OKTAL, vol. 2, no. 08, pp. 2116–2121, Aug. 2023.