edited for the International Epidemiological Association and the World Health Organization by Basil S. Hetzel
Oxford University Press, 1978
Buku Teks
edited by Maria Wawer ... [and others]
Westview Press, 1985
Buku Teks
Bryant, John
Cornel Univ. Press, 1969
Buku Teks
UNICEF
UNICEF, T.t.
Buku Teks
Oxford University Press, 1983
Buku Teks