PENGETAHUAN IBU TENTANG VITAMIN A PADA BALITA DI POSYANDU MELATI I KADIPIRO SURAKARTA . OVUM : Journal of Midwifery and Health Sciences, [S. l.], v. 1, n. 1, p. 17–26, 2021. DOI: 10.47701/ovum.v1i1.1348. Disponível em: https://ojs.udb.ac.id/ovum/article/view/1348. Acesso em: 2 may. 2026.