000 00257nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aTripati, Shaligram
245 0 _aShiksha Manovighyan
260 _aNew Delhi
_bkPD
_c2010
300 _a414p.
942 _cBK
999 _c13410
_d13410