000 003140000a22001330004500
245 _aOperations research
100 _aBhattacharyya, Amitabha
260 _aCalcutta
_bIEI
_c1972
300 _avii, 92p.
440 _aA continuing education monograph
080 _a519.8
_bB5
041 _aEN
942 _cBK
999 _c109315
_d109315