1. Soil and water conservation policies and programs. successes and failures
پدیدآورنده : edited by Ted L. Napier, Silvana M. Napier, Jiri Tvrdon
کتابخانه: Library and Documentation Center of Kurdistan University (Kurdistan)
موضوع : ، Soil conservationGovernment policyCongresses,، Water conservationGovernment policyCongresses
رده :
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622
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2
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