“Design of School Information System Using Waterfall Method (Case Study: MTsN 8 Bantul): Rancang Bangun Sistem Inormasi Sekolah Menggunakan Metode Waterfall (Studi Kasus : MTsN 8 Bantul) ”. 2021. Procedia of Engineering and Life Science 1 (2). https://doi.org/10.21070/pels.v1i2.1020.