000 00302nam a2200121Ia 4500
008 160930s9999 xx 000 0 und d
020 _a8174508027
100 _aNCERT
245 _aSeventh All India School Education Survey
260 _aNew Delhi
_bNCERT
_c2007
300 _ax,193p.;27.6cm
942 _cDB
999 _c8686
_d8686