Schoub, Barry D.
The University Press, 1999
Buku Teks
Noor Farida, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2017
UI - Skripsi Membership
Willo Pequegnat, editor
[, Springer], 2012
eBooks
Nur Khasanah, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2017
UI - Skripsi Membership
Greif, Judith, author
John Wiley & Sons, 1994
Buku Teks