000 00450nam a2200169Ia 4500
999 _c19234
_d19234
082 _a330.1 FER-;
100 _aFerber, Robert
245 0 _aResearch methods in economics & business
260 _aNew York
_bMacmillan
_c1962
300 _axiv, 573p.: tables
650 _aEconomics - Methodology
650 _aBusiness - Research
650 _aBusiness - Methodology
650 _aEconomics - Research
700 _aVerdoorn, P.J.
942 _cBK