I. Arimawasti, S. Purwanto, and V. Mandasari, “The Influence of Online Customer Review and Social Media Influencer on Purchase Decisions for Skin1004 Serum Ampoule Products for Generation Z TikTok Users in Surabaya City”, IIJSE, vol. 8, no. 3, pp. 12765-12775, Oct. 2025.