000 00235nam a2200085 4500
080 _a621.316.313
_b: 65 BHA.72
245 _aManagement by network analysis
100 _aBhattacharyya, Amitabha
260 _aCalcutta
_bInstitution of Engineers(I)
_c1972
300 _a169p
999 _c25177
_d25177