000 00492nam a2200193Ia 4500
003 OSt
005 20230327113848.0
008 210423s1979 xx 000 0 und d
040 _cAL
041 _aeng
082 _a658.4034
_223
_bGUPP
100 _aGUPTA (Prem Kumar) ; HIRA (D S).
_977809
245 _aOperations research.
260 _aNew Delhi
_bS Chand & Company Ltd
_c1979
300 _axvi,1055.
365 _b175
_cINR
906 _aOperations ; research.
942 _2ddc
_cBK
999 _c155076
_d155076