edited by Arnold Pacey for Oxfam and the Ross Institute of Tropical Hygiene
John Wiley & Sons, 1978
Buku Teks
Clarke, John I., author
Pergamon Press, 1979
Buku Teks
East-West Center Press, 1967
Buku Teks
East-West Center Press, 1967
Buku Teks
edited by Kenneth Fidel
Transaction Books, 1975
Buku Teks