The Relationship of Marketing Mix With Patient Loyalty At Inpatient Unit Of Undata General Hospital. Preventif : Jurnal Kesehatan Masyarakat, [S. l.], v. 10, n. 1, p. 13–23, 2020. DOI: 10.22487/preventif.v10i1.116. Disponível em: https://jurnal.fkm.untad.ac.id/index.php/preventif/article/view/116. Acesso em: 22 sep. 2025.