000 00235nam a2200085Ia 4500
008 170620s9999 xx 000 0 und d
100 _aN. C. E. R. T.
245 0 _aSixth Survey of Educational Research 1993-2000 -1
260 _bNew Delhi- N.C.E.R.T.
260 _c2001
999 _c24749
_d24749