PENGETAHUAN IBU TENTANG PNEUMONIA PADA BALITA DI PUSKESMAS JATINOM KLATEN. OVUM : Journal of Midwifery and Health Sciences, [S. l.], v. 2, n. 2, p. 102–110, 2022. DOI: 10.47701/ovum.v2i2.2368. Disponível em: https://ojs.udb.ac.id/ovum/article/view/2368. Acesso em: 29 apr. 2026.