Nurul, Maulana. “Pengaruh Kualitas Produk, Dan Promosi Terhadap Keputusan Pembelian”. RIGGS: Journal of Artificial Intelligence and Digital Business 4, no. 3 (August 14, 2025): 2040–2049. Accessed May 8, 2026. https://journal.ilmudata.co.id/index.php/RIGGS/article/view/1435.