000 00270nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aMangal, S.K.
245 0 _aStatistics In Psychology And Education
260 _aNew Delhi
_bPHI
_c2002
300 _a404p.
942 _cBK
999 _c11156
_d11156