Abeydeera, Nilmini. Abeydeera, Padmini. <br/><br/>
Grade 6 Secondary Mathematics. 

 - 2nd Ed. 
 - Colombo :   Samudra Book Publications,   2016. 
 - 249 p. 
<br/><br/><label>ISBN: </label>9789556803839 
<br/><br/><label>Dewey Class. No.: </label>510  / ABE