Andani, Salsabila Maisah. “The Effect of Brand Image, Product Diversity, Electronic Word of Mouth on Product Purchasing Decisions Skintific in Medan City”. Indonesian Journal of Economics and Finance 1, no. 2 (December 15, 2024). Accessed December 25, 2025. https://ijoeince.web.id/index/index.php/IJoEince/article/view/7.