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

 - 3 ed. 
 - New Delhi  Vikas Publishing House  1996 
 - 543 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education-Research-Methodology
<br/><br/><label>Dewey Class. No.: </label>370.78 KOU