Suryajaya, Jason Albert. “The Role of Online Promotion, Service Quality, and Product Quality on Purchase Decision of Online JJ Auto Product: Peranan Promosi Online, Kualitas Pelayanan, Dan Kualitas Produk Terhadap Keputusan Pembelian Produk JJ Auto Secara Online”. Jurnal Performa: Jurnal Manajemen dan Start-up Bisnis 8, no. 3 (June 28, 2023): 321–333. Accessed March 12, 2026. https://journal.uc.ac.id/index.php/performa/article/view/3006.