Holechek, Jerry L., <br/><br/>
Natural resources :   ecology, economics, and policy / 
Jerry L. Holechek, Richard A. Cole, James T. Fisher, Raul Valdez. 
 - SECOND EDITION 
 - xxi, 761 pages :  illustrations (some colour), maps ;  29 cm 
<br/><br/>Includes bibliographical references (page 716-718) and index. 
<br/><br/><label>ISBN: </label>0130933880  RM388.00 9780130933881 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources.<br/>Natural resources --Government policy.<br/>Ecology.
<br/><br/><label>Dewey Class. No.: </label>333.7