Gaafar Syani, and Riandy Yap. “PENGEMBANGAN SISTEM INF ORMASI PROMOSI BERBASIS WEB DENGAN METODE WATERFALL”. Jurnal Armada Informatika 2, no. 2 (December 1, 2018): 169–181. Accessed February 19, 2026. https://jurnal.stmikmethodistbinjai.ac.id/jai/article/view/18.