Ilham Tri Maulana. 2022. “PENERAPAN METODE SDLC ( SYSTEM DEVELOPMENT LIFE CYCLE ) WATERFALL PADA E-COMMERCE SMARTPHONE: APPLICATION OF THE SDLC (SYSTEM DEVELOPMENT LIFE CYCLE) WATERFALL METHOD ON E-COMMERCE SMARTPHONE”. Jurnal Ilmiah Sistem Informasi Dan Ilmu Komputer 2 (2):1-6. https://doi.org/10.55606/juisik.v2i2.162.