edited by Morris F. Collen
John Wiley & Sons, 1974
Buku Teks
Eka Musridharta
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2014
UI - Tesis Membership
Schmitz, Homer H.
Aspen systems corporation, 1979
Buku Teks
F. Abu Rajabto
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2006
UI - Tesis Membership
Agus Yordani
Universitas Indonesia, 2003
UI - Tesis Membership