Wallis, J. A. Nicholas <br/><br/>
Intensified systems of farming in the tropics and sub tropics 

 -  New York  The World Bank  1997 
 - 220pg  PB 
 - Intensified systems of farming in the tropics and sub tropics .
<br/><br/>   Donated by Asia Book Foundation Islamabad 
<br/><br/><br/>En 
<br/><br/><label>Subjects--Personal Names: </label><br/>Agricultural
<br/><br/><label>Dewey Class. No.: </label>630.913  / WAL