Newell, Kenneth W.
World Health Organization, 1975
Buku Teks
Candau, M.G.
Departemen Kesehatan, 1973
Buku Teks
Arini Fitri
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2019
UI - Tesis Membership
edited by Ronald W. O'Connor
Lexington Books, 1980
Buku Teks
edited by Joanne E. Hall, Barbara R. Weaver
J.B. Lippincott , 1977
Buku Teks