Safrin, Feby, and Feronica Simanjorang. “Optimizing the Use of E-Commerce As a Marketing Medium for Online Shop Businesses in the City of Medan”. Research Horizon 3, no. 3 (June 30, 2023): 235–248. Accessed May 5, 2026. https://journal.lifescifi.com/index.php/RH/article/view/126.