Tri Astutik and Ratna Wardani 2024. Analysis Of Factors Affecting Measles Rubella ( Mr ) Immunization Services For Children Aged 18-24 Months During The Pandemic At The Bumiaji Health Center In Batu City. Indonesian Journal of Nutritional Epidemiology and Reproductive. 7, 1 (Jan. 2024), 26–36. DOI:https://doi.org/10.30994/ijner.v7i1.309.