000 00393cam a22001337a 4500
008 180718b1962 xxu||||| |||| 00| 0 eng d
082 _aI551 F373
100 _aFerber, Robert
245 _aResearch methods in economics and business
_cby Robert Ferber and P.J. Verdoorn
260 _aNew York
_bMacmillan
_c1962
300 _a573p.
650 _aEconomics --Research
700 _aVerdoorn, P.J.
999 _c365332
_d365332