Garrett, Raymond D.
Auerbach Publishers, Inc., 1973
Buku Teks
Eka Musridharta, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2014
UI - Tesis (Membership)
edited by Morris F. Collen
John Wiley & Sons, 1974
Buku Teks
Schmitz, Homer H.
Aspen systems corporation, 1979
Buku Teks
Dwi Siti Zuraida, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2013
UI - Skripsi (Membership)