PENGARUH KUALITAS PELAYANAN DAN PRODUK TERHADAP LOYALITAS KONSUMEN TOKO KACAMATA MODERN MILLENIAL GLASSES. MANNERS (Management and Entrepreneurship Journal), [S. l.], v. 7, n. 2, p. 77–84, 2025. DOI: 10.56244/manners.v7i2.815. Disponível em: https://ojs.unnur.ac.id/index.php/manners/article/view/815. Acesso em: 15 aug. 2026.