Perera Nirmala <br/><br/>
Mathematics Grade 6  Part 1 

 - 2015 1st Edt 
 - Colombo  Jeya Book Center  2015 
 - 94p. 
<br/><br/><label>ISBN: </label>9789550137503 
<br/><br/><label>Dewey Class. No.: </label>510  / Per