“LOYALITAS PELANGGAN: KUALITAS PRODUK DAN KUALITAS PELAYANAN”. Jurnal Comparative: Ekonomi dan Bisnis 4, no. 2 (November 8, 2022): 106–115. Accessed October 26, 2026. https://jurnal.umt.ac.id/index.php/jceb/article/view/7433.