Wickramasinghe, Mangalik <br/><br/>
Tropical agricultural research Vol.19 

 - Peradeniya  PGIA  2007 
 - iv,412 p.  Illustration 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGRICULTURE<br/>PGIA<br/>PGIA ANNUAL CONGRESS
<br/><br/><label>Dewey Class. No.: </label>630  / TRO