Wrigley, Gordan <br/><br/>
Tropical Agriculture:The development of production 

 - 4th 
 - Engaland  ELBS Eastbourn  1982 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>agriculture
<br/><br/><label>Dewey Class. No.: </label>631  / WRI