Pengaruh Kualitas, Harga dan Fitur Terhadap Keputusan Pembelian Smartphone. Center of Economic Students Journal, [S. l.], v. 5, n. 4, p. 375–391, 2022. DOI: 10.56750/csej.v5i4.555. Disponível em: https://jurnal.fe.umi.ac.id/index.php/CSEJ/article/view/555. Acesso em: 8 oct. 2025.