Saragih, P.C. , Wijaya, E. and Tarigan, F.A. 2025. Design of a Web-Based Viar Electric Motor Unit Ordering System Using the Waterfall Method. Journal of Artificial Intelligence and Engineering Applications (JAIEA). 5, 1 (Oct. 2025), 1701–1705. DOI:https://doi.org/10.59934/jaiea.v5i1.1694.