Koul , Lokesh. <br/><br/>
Methodology of educational research .  [Book /] 
Lokesh Koul. 
 - 2nd ed. 
 - New Delhi :  Vikas publishing house pvt ltd,  1984 . 
 - 506.P. ;  24 cm. 
<br/><br/> All age. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>educational- research.
<br/><br/><label>Dewey Class. No.: </label>370.78 
<br/><br/><label>National Library of Medicine Call No.: </label>370.78  / KM