Azzahra’, Lama’ah. “Analysis Of Parents Satisfaction And Loyalty Factors About Toddler Immunization Services Before And During The Pandemic : Literatur Review”. Jurnal Pendidikan Kesehatan (e-Journal) 12, no. 1 (April 26, 2023): 43–53. Accessed December 4, 2025. https://ojs.poltekkes-malang.ac.id/jpk/article/view/3074.