RUTHENBERG, HANS. <br/><br/>
FARMING SYSTEMS IN THE TROPICS 

 - 3RD 
 - OXFORD: CLARENDON PRESS,  1980 
 - 424P; ILLUST 
 - AGRICULTURE-TOPICS .
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0198594828 
<br/><br/><label>Subjects--Topical Terms: </label><br/>FARMING SYSTEM.