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

 - 2nd rev. ed. 
 - New Delhi  Vikas publishing house pvt. ltd.  1984 
 - xi, 506p.; 22cm. 
<br/><br/><label>ISBN: </label>706966767 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational research methods