000 00238nam a2200109Ia 4500
008 220201s2012 xx 000 0 eng d
100 _aGupta, S L
245 0 _aSPSS 17.0
260 _aNew Delhi
_bIBH
_c2012
300 _a390
942 _2ddc
999 _c66124
_d66124