edited by Abram S. Benenson
American public health association, 1985
Buku Teks SO
edited by Abram S. Benenson
American Public Health Association, 1973
Buku Teks SO
Webber, Roger
Cab International, 1996
Buku Teks SO
Soemiatno
Division of Publications and Libraries Departement Health , 1975
Buku Teks SO
Ama de-Graft Aikins and Charles Agyemang, editors
CABI, 2016
Buku Teks SO