000 003160000a22001210004500
245 _aOperations management : production management and operations research
100 _aSethi, N.K.
260 _aNew Delhi
_bSterling Publishing
_c1984
300 _a416p.
080 _a658.5
_bS4
041 _aEN
942 _cBK
999 _c117414
_d117414