AZZAHRA’, L. Analysis Of Parents Satisfaction And Loyalty Factors About Toddler Immunization Services Before And During The Pandemic : Literatur Review. Jurnal Pendidikan Kesehatan, [S. l.], v. 12, n. 1, p. 43–53, 2023. DOI: 10.31290/jpk.v12i1.3074. Disponível em: https://ojs.poltekkes-malang.ac.id/jpk/article/view/3074. Acesso em: 6 feb. 2026.