H.C. Pereira <br/><br/>
Policy and practice in the management of tropical watersheds 

 - Boulder  Westview Press  1989 
 - 237p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-8133-7731-5 
<br/><br/><label>Dewey Class. No.: </label>631.7  / PER