000 00251nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aBisht, A,R.
245 0 _aShiksha Manovighyan
260 _aAgra
_bAggarwal
_c2007/
300 _a315p.
942 _cBK
999 _c11879
_d11879