000 00279nam a22001337a 4500
003 SGT
082 _a370
_bS07N
100 _aN.C.E.R.T.
245 _aSEVENTH ALL INDIA SCHOOL
260 _aNEW DELHI
_bNCERT PUB
_c2007
300 _a246
650 _aEDUCATION
942 _2ddc
_cBK
999 _c12724
_d12724