ANCILLA LINA. Study of the development of Immanuel Hospital children’s polyclinic service facilities on the level of customer needs and loyalty. Jurnal Ilmu Kesehatan Immanuel, [S. l.], v. 18, n. 1, p. 23–35, 2024. DOI: 10.36051/jiki.v18i1.253. Disponível em: http://ojslast.institutkesehatan-immanuel.ac.id/index.php/JIKI/article/view/253. Acesso em: 6 oct. 2024.