Rathnayaka, W. <br/><br/>
Mathematics : Grade  6 

 - Colombo :  Author,  2007. 
 - vi,237p.;  ill.;  26cm 
<br/><br/><label>ISBN: </label>978-955-50093-1-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510  / RAT