MUHAMMAD FADLILAH NASUTION. Hubungan Customer Relationship Marketing Terhadap Loyalitas Pasien di Ruang Rawat Inap RSUD Gunungtua . J-CEKI : Jurnal Cendekia Ilmiah, [S. l.], v. 4, n. 5, p. 299–306, 2025. DOI: 10.56799/jceki.v4i5.10702. Disponível em: https://www.ulilalbabinstitute.id/index.php/J-CEKI/article/view/10702. Acesso em: 23 oct. 2025.