Koul, Lokesh. <br/><br/>
Methodology of educational research 

 - 4th Revised Edition 
 - Noida  Vikas Publishing House Pvt. , Ltd. ,  2009 
 - xii, 532p. 
<br/><br/><label>ISBN: </label> RS 250.00 
<br/><br/><label>Source: </label> RS 250.00 
<br/><br/><label>Dewey Class. No.: </label>370.78 KOU