000 00413nam a2200181Ia 4500
008 221105s9999 xx 000 0 und d
041 _aENGLISH
082 _a658.4034
082 _bGUP
100 _aGUPTA P K; HIRA DS
245 0 _aOPERATIONS RESEARCH
260 _bS CHAND AND COMPANY LIMITED
260 _c1989
300 _a918
650 _aMANAGEMENT
650 _bOPERATIONS RESEARCH
942 _cBK
999 _c6624
_d6624