Kunjungan Ibu Hamil K1 Dan K4 Terhadap Angka Kematian Ibu Di Provinsi Jawa Timur. Preventif : Jurnal Kesehatan Masyarakat, [S. l.], v. 13, n. 4, p. 586–595, 2022. DOI: 10.22487/preventif.v13i4.309. Disponível em: http://103.245.72.38/index.php/preventif/article/view/309. Acesso em: 30 sep. 2025.