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1دورية أكاديمية
المؤلفون: Ringold, Paul L., Alegria, Jim, Czaplewski, Raymond L., Mulder, Barry S., Tolle, Tim, Burnett, Kelly
المصدر: Ecological Applications, 1996 Aug 01. 6(3), 745-747.
URL الوصول: https://www.jstor.org/stable/2269479
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2دورية أكاديمية
المؤلفون: Ringold, Paul L., Mulder, Barry, Alegria, Jim, Czaplewski, Raymond L., Tolle, Tim, Burnett, Kelly
المصدر: Environmental Management: An International Journal for Decision Makers, Scientists and Environmental Auditors. 02 1999 23(2):179-192