HUBUNGAN PENGETAHUAN IBU DENGAN KELENGKAPAN IMUNISASI HEPATITIS B PADA BAYI. Journal of Midwifery Sempena Negeri, [S. l.], v. 5, n. 1, 2025. DOI: 10.56313/94s6cc46. Disponível em: https://www.sempena.org/index.php/jmsn/article/view/22.. Acesso em: 30 may. 2026.