Ravimannan, Nirmala <br/><br/>
Principles weeds of sri lanka 
Nirmala Ravimannan 
 - Inuvil  Lalitha Graphics  2004 
 - 30 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weed
<br/><br/><label>Dewey Class. No.: </label>632.5  / RAV