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Fachserie / 3 / 2 / 1 / 2
(1990)
Fachserie / Statistisches Bundesamt, Wiesbaden
(1988)
(1989)
Incorporating multiple objectives into plans for low-resource farmers
Flinn, J. C., (1979)
Contemporary Africa : geography and change
Knight, Chester Gregory, (1976)
The demand for irrigation water in an intensive irrigation area
Flinn, J. C., (1969)