Upton, Martin <br/><br/>
The economics of tropical farming systems 
Martin Upton 
 - Cambridge  Cambridge University Press  1996 
 - xiv, 374 p. : ill. ; 24 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780521482899 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture - Economic aspects - Africa<br/>Agriculture - Economic aspects - Tropics
<br/><br/><label>Dewey Class. No.: </label>338.10913 UPT