000 00251nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aBhatnagar, R.P.
245 0 _aShiksha Anusandhan
260 _aMeerut
_bLBD
_c2007
300 _a567+22
942 _cBK
999 _c11834
_d11834