2025. Pengaruh Brand Equity, Harga Dan Kualitas Produk Terhadap Keputusan Pembelian Produk Smartphone Oppo. Indo-Fintech Intellectuals: Journal of Economics and Business. 5, 2 (Apr. 2025), 4491–4501. DOI:https://doi.org/10.54373/ifijeb.v5i2.2695.