000 00328nam a2200133Ia 4500
008 170101s2007 xx 000 0 und d
020 _a8189913158
082 _a001.4 SHA
100 _aSharma, Ritu
245 0 _aEducational research and statistics
260 _aNew Delhi
_bAlfa
_c2007
300 _aP.304
942 _2ddc
_cBK
999 _c217031
_d217031