edited by Abram S. Benenson
American public health association, 1985
Buku Teks
edited by Abram S. Benenson
American Public Health Association, 1973
Buku Teks SO
Webber, Roger
Cab International, 1996
Buku Teks
Soemiatno
Division of Publications and Libraries Departement Health , 1975
Buku Teks SO
Kassirsky, I.
Mir Publisher, 1969
Buku Teks