000 00312nam a2200121Ia 4500
008 221001s1984 xx 000 0 eng d
082 _a519.92 ACK
100 _aAckoff, A.
245 0 _aFundamentals of operational research
260 _aNew Delhi
_bWileyeasdern
_c1984
300 _avii, 455p.
942 _2ddc
_cBK
999 _c45601
_d45601