Schultz, Donald V., author
American Hospital Association, 1991
Buku Teks
Ana Uswatun Hasanah, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2017
UI - Skripsi Membership
1997
Buku Teks
Heidemann, E.G., author
World Health Organization, 1993
Buku Teks
Egdahl, Richard H., author
Aspen Systems, 1976
Buku Teks