Koul, Lokesh <br/><br/>
Methodology of educational research  
by Lokesh Koul 
 - New Delhi :  Vikas publishing house,  1990. 
 - 506p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research
<br/><br/><label>Dewey Class. No.: </label>370.78  / KOU.M