BUSTOMI; HAMZAH, S.; HIDAYAT, S. Analisis Kualitas Produk Smartphone Vivo dan Oppo. Current Research on Practice Economics and Sharia Finance (CAPITAL), [S. l.], v. 1, n. 3, p. 117–124, 2024. Disponível em: https://malaqbipublisher.com/index.php/CAPITAL/article/view/176. Acesso em: 22 apr. 2026.