Kariyawasam, I.U. <br/><br/>
උසස් පෙළ ජීව විද්‍යාව 
= usas peLa jiiva vidhYaava: bahuvaraNa, viYuhagatha rachanaa saha rachanaa aadharSHa prashnooththara sangrahaya 


 - Mattegoda:  Author,  2009. 
 - 205p.;  25cm 
<br/><br/><label>ISBN: </label>978-955-51751-0-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science<br/>Biology
<br/><br/><label>Dewey Class. No.: </label>570.7  / KAR