000 00434nam a22001457a 4500
005 20220519142035.0
008 091205t xxu||||| |||| 00| 0 eng d
082 _a330
_bGIL
100 _aGillis, Floyd E.
_912426
245 _aManagerial economics
_bdecision making under certainty for business and engineering
300 _avii, 296p.
653 _aEconomics
942 _cBK
260 _bAddison-Wesley publishing co.
_c1969
_aLondon
999 _c314943
_d314943