PERERA,  M.C.S. <br/><br/>
Samaja Alevikaranaya (Social Marketing) 

 -  Colomo : Vindana Publishers  2008 
 - 107 p. 
<br/><br/><label>ISBN: </label>9789551523039 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology
<br/><br/><label>Dewey Class. No.: </label>301  / P26