Eddy Purwanto, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2010
UI - Tesis Open
Maguire, Keith, author
Chambers, 1991
Buku Teks
Gay, Phillip T., author
McGraw-Hill, 2001
Buku Teks
Lipton, Merle, author
Witwatersrand University Press, 1993
Buku Teks
Saul, John S., author
Monthly Review Press, 1981
Buku Teks