by 
 Callan, Scott.
Format: 
Books
Publication Date 
 2000
Excerpt: 
Environmental economics and management : theory, policy, and applications / Callan, Scott.
by 
 Godfrey, Jayne M. (Jayne Maree)
Format: 
Books
Publication Date 
 2000
Excerpt: 
Hodgson, Allan.
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