Suchergebnisse - "Irrigation Philippines."
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A method of determining the net duty of irrigation water for lowland rice
Veröffentlicht 1948Abschlussarbeit -
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Economic evaluation of representative communal irrigation projects under the grants-in-aid scheme
Veröffentlicht 1974Buch -
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Comparative economic analysis of low-lift (surface) and tubewell irrigation projects in the Philippines [microform]
Veröffentlicht 1976Visual Material -
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