000 00271nam a2200121Ia 4500
008 220821s2015 xx 000 0 eng d
100 _aSrinath, L. S.
245 0 _aPERT and CPM
250 _a3rd
260 _bEast West Press
_c2015
300 _a202
942 _2ddc
_cBTECH
999 _c2454
_d2454