Teodoro R. Villanueva <br/><br/>
Upland Ecosystem Management 

 - 2nd Edition  
 -  Philippine by the UP Open University  2002 
<br/><br/> Includes References  
<br/><br/><label>ISBN: </label>971-767-126-5 
<br/><br/><label>Dewey Class. No.: </label>Fil. 577.5 V71 2005