Wulandari W. Determinan Keputusan Pembelian Produk Di Tokopedia: Promosi Event Free Photocard Dan Brand Ambassador. INVESTASI [Internet]. 2024 Nov. 15 [cited 2026 Jul. 1];2(4):169-82. Available from: https://jurnal.soratekno.co.id/index.php/investasi/article/view/65