Upton, Martin. <br/><br/>
The economics of tropical farming systems / 
Martin Upton. 
 - Cambridge ;  New York :  Cambridge University Press,  1996. 
 - 374 p. :  ill. ;  24 cm. 
 - Wye studies in agricultural and rural development. .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0521482895 0521483409 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Economic aspects--Africa.<br/>Agriculture--Economic aspects--Tropics.<br/>economic.
<br/><br/><label>Dewey Class. No.: </label>338.1  / M E