NCERT <br/><br/>
Seventh all India school education survey(7th aises): Schools, physical and ancillary facilities   Vol 1-6  (English) 

 - New Delhi  NCERT  2007 
 - 527p. 
<br/><br/><label>ISBN: </label>9788174509147 
<br/><br/><label>Dewey Class. No.: </label> / NCE-S