PRASSTY, A.; PARHUSIP, A. A. Pengaruh Costumer Relationship Management, Service Quality dan Fasilitas Terhadap Kepuasan Pelanggan Pada Hotel Grand Inna Medan. ProBisnis : Jurnal Manajemen, [S. l.], v. 16, n. 3, p. 452–459, 2025. Disponível em: https://ejournal.joninstitute.org/index.php/ProBisnis/article/view/967. Acesso em: 22 feb. 2026.