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

 - 4th edition. 
 - New Delhi :   Vikas Pulishing House ,   2006. 
 - 543 Pages;  
<br/><br/><label>ISBN: </label>0706988523 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>370  / KOU