000 00276nam a2200097Ia 4500
008 120229s9999 xx 000 0 und d
082 _aDB370.78 SIX
100 _aYadav, N.S.
245 _aSixth survey of educational research 1993-2000
260 _bNCERT
_aNew Delhi
_c2006
999 _c125252
_d125252