Kosta, Jayatissa de <br/><br/>
Gasvel saha parisaraya  

 - Colombo  M.D.Gunasena  1996 
<br/><br/><label>ISBN: </label>955210775x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>biology <br/>ecology <br/>life science <br/>plant ecology 
<br/><br/><label>Dewey Class. No.: </label>577  / KOS