Prakash, Ravi. <br/><br/>
Problems of educational research 

 - New Delhi  Commonwealth Publishers  2009 
 - 446p. 
<br/><br/><label>ISBN: </label> RS 225.00 
<br/><br/><label>Source: </label> RS 225.00 
<br/><br/><label>Dewey Class. No.: </label>370.78 PAR