Uyangoda,J <br/><br/>
Samajeeya Vidya Pariyeshana Yojanavaliyak Liveema 

 - Colombo  Social Scientist's Association  2011 
 - 195 p ., 
<br/><br/><label>ISBN: </label>9789551772864 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Science - Research Methods
<br/><br/><label>Dewey Class. No.: </label>301  / UYA