Hidayat , Rahmat, and Lilik Indayani. “Product Design and Quality As Determinants of Oppo Purchase Decisions: Desain Produk Dan Kualitas Sebagai Faktor Penentu Keputusan Pembelian Oppo”. Indonesian Journal of Law and Economics Review 20, no. 4 (October 3, 2025): 10.21070/ijler.v20i4.1345. Accessed December 6, 2025. https://ijler.umsida.ac.id/index.php/ijler/article/view/1345.