Felik Sad Windu Wisnu Broto, Erica Adriana, and Aquina Tiara Dewi. “The Influence of Electronic Word of Mouth (E-WOM), Celebrity Endorsers, and Country of Origin on Purchasing Decisions for Skintific Products”. Formosa Journal of Multidisciplinary Research 3, no. 6 (June 30, 2024): 2175–2196. Accessed July 27, 2026. https://journal.formosapublisher.org/index.php/fjmr/article/view/9541.