Pengaruh Harga dan Kualitas Produk Terhadap Loyalitas Pelanggan Telkomsel . Jurnal Sains Manajemen, [S. l.], v. 2, n. 1, p. 37–44, 2020. DOI: 10.51977/jsm.v2i1.187. Disponível em: https://ejurnal.ars.ac.id/index.php/jsm/article/view/187. Acesso em: 8 oct. 2025.