000 00253nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aDas, Bhagwan
245 0 _aShiksha Manovighyan
260 _aNew Delhi
_bOmega
_c2009
300 _a246p.
942 _cBK
999 _c12990
_d12990