Wrigley, Gordon. <br/><br/>
Tropical agriculture :    the development of production /  
Gordon Wringley. 
 - London :    B.T. Batsford,    1961. 
 - 291 p. :    ill. ;    23 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Agriculture -- Tropics.<br/> Tropical crops.
<br/><br/><label>Dewey Class. No.: </label>631 WRI