1. At a watershed :
المؤلف: Smith, Heather M.
المکتبة: کتابخانه مطالعات اسلامی به زبان های اروپایی (قم)
موضوع: Economic development,Watershed management
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2. Economic valuation of river systems
المؤلف: edited by Fred J. Hitzhusen
المکتبة: کتابخانه دانشکده اقتصاد دانشگاه تهران (طهران)
موضوع: Stream restoration - Great Lakes Region (North America) - Economic aspects,Watershed management - Great Lakes Region (North America) - Economic aspects,Rivers - Great Lakes Region (North America) - Economic aspects,Sustainable development - Great Lakes Region (North America),Contingent valuation - Great Lakes Region (North America)
رده :
QH
76
.
5
.
G72
.
E3
2007
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