Swardana, Nicholas Fransida, and Chatarina Umbul Wahjuni. “Factors That Affect Mother to the Children (2-36 Month) Exclusion in Sub PIN Diphtheria”. Jurnal Berkala Epidemiologi 2, no. 2 (May 1, 2014): 227–239. Accessed August 3, 2024. https://e-journal.unair.ac.id/JBE/article/view/178.