Wijerathna, Chanakya J. <br/><br/>
අභියෝගාත්මක ගණිතය 
 Abhiyogaathmaka ganithaya 

 -  Wijesuriya  2008 
 - 94p.,  22 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Universal Decimal Class. No.: </label>51  / WIJ