Koul, Lokesh <br/><br/>
Methodology of Educational Research 
/ by Lokesh Koul 
 - New Delhi:  Vikas Publishin House,  1984. 
 - 546p. 
<br/><br/><label>ISBN: </label>9789353386368 
<br/><br/><label>Dewey Class. No.: </label>370.78  / KOU/M