000 00276nam a2200121Ia 4500
008 220201s1995 xx 000 0 eng d
100 _aGUPTA, R.C.
245 0 _aCOURSE IN PERT & CPM
250 _aDELHI
260 _aDELHI
_bDHANPAT RAI
_c1995
300 _a282
942 _2ddc
999 _c67166
_d67166