Fakhira Ardini, A., Sianturi, E.M.P. and Aisyah, R. 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 (Jan. 2022), 208-213. DOI:https://doi.org/10.33005/sitasi.v1i1.149.