Ruthenberg Hans <br/><br/>
Farming systems in the tropics 

 - Ed 2nd 
 - Oxford  Oxford University Press          1976 
 - xviii,366p. Bib p. 336-356 Appendix p. 330-335  cm. 
<br/><br/><label>ISBN: </label>0198594585 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industry
<br/><br/><label>Dewey Class. No.: </label>X9(J).192.N7, L6