1. #Proceedings
المؤلف: #cosponsored by U.S. Department of Agriculture, Cooperative State Research Education and Extension Service and National Resources Conservation Service , in cooperation with Conservation Technology Information Center.National Watershed Water Quality Project Symposium
المکتبة: کتابخانه مرکزی دانشگاه صنعتی اصفهان (أصبهان)
موضوع: Watershed management ،Water quality management ،Nonpoint source pollution
رده :
#
TC
،#.
N3537
،#
1997
