Jayawardana,Madurasiri <br/><br/>
සමාජ ගණිතය 
= Samaja ganithaya 


 - 2nd Ed.; 
 - Colombo  Godage,  1995 
 - 56p.;  ill  21cm 
<br/><br/><label>ISBN: </label>955201557X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510  / JAY