Wulandari, Wuri. “Determinan Keputusan Pembelian Produk Di Tokopedia: Promosi Event Free Photocard Dan Brand Ambassador”. INVESTASI : Inovasi Jurnal Ekonomi dan Akuntansi 2, no. 4 (November 15, 2024): 169–182. Accessed July 1, 2026. https://jurnal.soratekno.co.id/index.php/investasi/article/view/65.