WALLIS, Nicholas J.A. <br/><br/>
Intensified Systems of Farming in the Tropics and Subtropics 

 - Washington  The World Bank  1997 
 - xiii, 203p 
<br/><br/><label>ISBN: </label>0-8213-3944-3 
<br/><br/><label>Dewey Class. No.: </label>630.913