查詢 ext:Agricultura (aspectos economicos ,共 2 筆
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14 0 0 0 0
Food, energy, and society
- 作者: Pimentel, David,
- 出版: Niwot, Co. : University Press of Colorado ©1996.
- 資料類型: 電子書
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127 0 0 0 0
Costs, benefits, and farmer adoption of agroforestry :project experience in Central America and the Caribbean
- 作者: Current, Dean.
- 出版: Washington, D.C. : World Bank ©1995.
- 資料類型: 電子書