Uplon Martin <br/><br/>
The econoimic of tropical farming system 

 - New york  Cambridge  1996 
 - (xiii),374p,  pbk 
<br/><br/><label>ISBN: </label>0-521-63511-x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture-economic aspects-africa--Agriculture-economic aspects-tropics