000 00325nam a22001454a 4500
082 _a658.403 GOE
084 _2Colon Classification
100 _aGoel, B S
245 1 _aOperations Research
250 _a3
260 _a[s.l]:
_bPragati Prakashan
_c1977
300 _aXI;542p.:
700 _aMittal, S K
942 _cBK
999 _c521893
_d521893