tim penyusun Ascobat Gani [and others]
FKM-UI dan Depkes RI, 1987-1988
Buku Teks SO
Artikel Jurnal
Didin Aliyudin
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2003
UI - Tesis Membership
Artikel Jurnal
Yulia Sari
Jakarta III health polytechnic ministry of health, department of midwifery, 2016
Artikel Jurnal