ABEYSIRIWARDENA, D. S. de. Z. <br/><br/>
Rise Congress 2000 

 -  Peradeniya : Department of Ag  iriculture.2003 
 - vii, 261 P 
<br/><br/><label>ISBN: </label>955-9282-07-7 
<br/><br/><label>Dewey Class. No.: </label>633.1807