Tapping  Rubber research institute of Sri Lanka advisory circular No: 1994/05 

 - Agalawatta  Plant science department 
 - 8 p.  Illustration 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant science<br/>RUBBER<br/>NAZIS
<br/><br/><label>Dewey Class. No.: </label>B0421  / LDC