Developing world water
Grosvenor Press, 1986
Buku Teks
Third world employment: problems and strategy
Edited by Richard Jolly... [at al]
Penguin Education, 1973
Buku Teks
Developing world water / editor by John Pickford
Grosvenor Press International, 1987
Buku Teks
Developing world water : essential reading for the water industry worldwide containing over 70 features and 250 illustrations
Grosvenor Press International, T.t.
Buku Teks
Overcoming world hunger / edited by Clifford M. Hardin
Prentice Hall Inc., 1969
Buku Teks
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