Y. Y. Pratama, S. A. Yaoma, and B. E. Susyanto, “The Correlation of Education, Work, and Mother’s Age with The Completeness of Basic Immunization in Toddlers at Puskesmas Kuok-Riau in Period of January-June 2013”, JKMA, vol. 16, no. 1, pp. 60–66, Mar. 2022.