Wulandari W. Determinan Keputusan Pembelian Produk Di Tokopedia: Promosi Event Free Photocard Dan Brand Ambassador. INVESTASI [Internet]. 2024 Nov. 15 [cited 2026 Aug. 11];2(4):169-82. Available from: https://www.jurnal.soratekno.co.id/index.php/investasi/article/view/65