Fakhira Ardini, Ayu, Eliezer M Putra Sianturi, and Ratih Aisyah. 2022. “ANALISIS PERANAN MODEL WATERFALL DALAM BISNIS APLIKASI E – COMMERCE: ANALYSIS OF THE ROLE OF WATERFALL MODELS IN E-COMMERCE BUSINESS”. Prosiding Seminar Nasional Teknologi Dan Sistem Informasi 1 (1), 208-13. https://doi.org/10.33005/sitasi.v1i1.149.