Koul, Lokesh  . <br/><br/>
Methodology of educational  research /  
by Lokesh Koul. 
 - 3rd rev ed /  
 - New Delhi :   Vikash Publishing House Pvt Ltd ,   1997 
 - x, 543p :  
<br/><br/><label>ISBN: </label>0-7069-8852-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>T48  / N8