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

 - 2nd rev. 
 - New Delhi:  Vikas Publishing House,  1994 
 - 504 
<br/><br/><label>Source: </label> 13701-08-2003 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational Research