Artikel Jurnal
Kaunang, John Poerwadi, author
1988
UI - Tesis (Membership)
Bhargava, Deepshikha, author
Thammasat University, 2017
Artikel Jurnal
Seeds, Michael A., author
Brooks/Cole Cengage Learning, 2013
Buku Teks
Agus Riyanto, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2014
UI - Tesis (Membership)