Pathirathna, Sumana <br/><br/>
Science  grade 11 

 - Nugegoda  sarasavi Publishers  2009 
 - 365 p.  Illustration 
<br/><br/><label>ISBN: </label>9789555739733 
<br/><br/><label>Subjects--Topical Terms: </label><br/>STORY<br/>G.C.E O/L<br/>REASONING
<br/><br/><label>Dewey Class. No.: </label>B0722  / LDC