Wyrley-Birch, E.A.  <br/><br/>
Results of cocoa agronomy trials in Sabah, Malaysia from 1964-1977  (Book) 

 - Surrey, England  Land Resources Development centre  1987 
 - 181p.  30 cm. 
<br/><br/><label>Universal Decimal Class. No.: </label>633.74(595.12) WYR  / 8199