Adnan Buyung Nasution, Bayu Fadhli Erlangga Lubis, Nurul Amanda Khairani Lubis, and Friska Andriani. “Perancangan Sistem Pelaporan Keluhan Pelanggan Berbasis Website Menggunakan Metode Waterfall”. Bulletin of Computer Science Research 4, no. 1 (December 31, 2023): 40-49. Accessed April 24, 2026. https://hostjournals.com/bulletincsr/article/view/318.