Patitha :  samaja vidya sameekshaa 

 - Colombo  Social Institute  2006 
 - 182 p ., ( V 4th) 
<br/><br/><label>ISBN: </label>13919148 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social<br/>Cultural<br/>survey
<br/><br/><label>Dewey Class. No.: </label>303  / PAT