Ratnapala,N <br/><br/>
Samaja vidyawa ha manawa vidyawa 

 - Warakapola  Aryan Publishers  2007 
 - 374 p ., 
<br/><br/><label>ISBN: </label>955553523 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology<br/>Anthropology
<br/><br/><label>Dewey Class. No.: </label>307  / RAT