Achmad Alvin Ardiansyah and Bonda Sisephaputra, M.Kom 2025. Online Store Web Software Engineering with Sales Forecasting Implementation : Online Store Web Software Engineering with Sales Forecasting Implementation . Journal of Emerging Information Systems and Business Intelligence. 6, 2 (Jul. 2025), 84~97. DOI:https://doi.org/10.26740/jeisbi.v6i2.67215.