CAMP, William G., <br/><br/>
Managing our natural resources 

 - 4 th edi. 
 - Canada  Delmar  2002 
 - x, 422p. 
<br/><br/><label>ISBN: </label>0-7668-1554-4 
<br/><br/><label>Dewey Class. No.: </label>333.7