R C Patel <br/><br/>
Educational research / 
R C Patel 
 - New Delhi   APH   2013 
 - 	xii, 145 pages   23 cm 
<br/><br/><label>ISBN: </label>9.7893313174e+012 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Education -- Research.
<br/><br/><label>Universal Decimal Class. No.: </label>370.72