Sjukun S, Yulius Y. The Influence of Electronic Word of Mouth and Social Media Marketing on Brand Image and Purchase Intention of E-Commerce Cosmetic Products in Medan City. Sinomics Journal [Internet]. 2023 Aug. 23 [cited 2025 Sep. 26];2(4):879-92. Available from: https://sinomicsjournal.com/index.php/sj/article/view/190