“PENGETAHUAN IBU TENTANG PNEUMONIA PADA BALITA DI PUSKESMAS JATINOM KLATEN”. OVUM : Journal of Midwifery and Health Sciences 2, no. 2 (October 18, 2022): 102–110. Accessed April 29, 2026. https://ojs.udb.ac.id/ovum/article/view/2368.