Ivana Devitasari, et al. “Catch-up Basic Immunization Education for Children With Delayed Immunization: Implementation in Children Aged ≥ 9 Months: Edukasi Imunisasi Dasar Anak Yang Tertunda: Imunisasi Kejar Pada Anak Usia ≥ 9 Bulan”. Journal of Community Empowerment for Multidisciplinary (JCEMTY), vol. 3, no. 2, Nov. 2025, pp. 100-8, doi:10.53713/jcemty.v3i2.505.