PENGARUH SUPPLEMENTARY SERVICE TERHADAP DIFERENSIASI PASAR DAN LOYALITAS PELANGGAN PADA INDUSTRI PERHOTELAN. Paulus Economics and Business Review, [S. l.], v. 5, n. I, p. 387–391, 2026. Disponível em: https://ojs.ukipaulus.ac.id/index.php/pebr/article/view/1418. Acesso em: 24 apr. 2026.