SAFRIN, Feby; SIMANJORANG, Feronica. Optimizing the Use of e-Commerce as a Marketing Medium for Online Shop Businesses in the City of Medan. Research Horizon, [S. l.], v. 3, n. 3, p. 235–248, 2023. DOI: 10.54518/rh.3.3.2023.126. Disponível em: https://journal.lifescifi.com/index.php/RH/article/view/126. Acesso em: 5 may. 2026.