Ra Nadia Triyana Serli and R. Yuniardi Rusdianto, “The Influence of Promotion, Online Customer Reviews, and Price on Generation Z’s Purchase Decisions at Belia Cosmetic in the Shopee Marketplace (Study on Consumers in Surabaya)”, al. kharaj. j. islam. econ. bus., vol. 8, no. 2, Apr. 2026.