Tri Astutik, and Ratna Wardani. “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, no. 1 (January 26, 2024): 26–36. Accessed September 12, 2025. https://ijner.org/index.php/IJNER/article/view/309.