KONTRIBUSI KUALITAS PRODUK DAN KUALITAS PELAYANAN TERHADAP KEUPASAN PELANGGAN PT. MITRA BANGUN CEMERLANG. Jurnal Comparative: Ekonomi dan Bisnis, [S. l.], v. 2, n. 1, p. 11–25, 2020. DOI: 10.31000/combis.v2i1.3097. Disponível em: https://jurnal.umt.ac.id/index.php/jceb/article/view/3097. Acesso em: 26 oct. 2026.