NCERT <br/><br/>
Seventh all india school education survey 

 -  National Council for Educational Research and Training  2007 # 2005 
 - xiv,312  Pb 
<br/><br/><label>ISBN: </label>81-7450-460-5 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>R370.78