00497nam a2200133Ia 4500008004100000082001800041100002300059245008500082260003000167300001300197942001200210952012400222999001700346260313b        |||||||| |||| 00| 0 eng d  a658bSp742.EI  aSpeight, H.918769  aEconomics and industrial efficiencyb: an introduction to managerial economics /  aLondon:bMacmillan,c1970  ax, 266p.  2ddccBK  0010406658_000000000000000_SP742_EI70920182aISIbISId1998-10-09l0o658 Sp742.EIpDP6163r2019-02-14 00:00:00yBK  c16520d16520