000 00313nam a2200133Ia 4500
005 20260413101043.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aMehrotra Dheeraj
245 0 _aSix Sigma Education
260 _bNew Delhi S.chand
_c2012
300 _a762
942 _cGB
999 _c6451
_d6451