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Land use decision making in the uplands a case study of Lake Balinsasayao, Philippines
Gepubliceerd in 1985Boek -
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A study on rainfed farmer adjustments on flood stress conditions Pongchan Na-Lampang.
Gepubliceerd in 1985Boek -
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China's rural development and the research of the agroecosystem in the recent years
Gepubliceerd in 1985Boek -
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