Sri lamka pratamika ganita viyaprutiya  jatika mattame mulika ganita samikshanaya 

 -  1999 
 - xi115p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION<br/>MATHEMATICS
<br/><br/><label>Dewey Class. No.: </label>372.7  / J17