RESEARCH METHODS IN ECONOMICS AND BUSINESS
FERBER,Robert VERDOORN,P.J.
RESEARCH METHODS IN ECONOMICS AND BUSINESS - - NEW YORK The Macmillan Co. 1962 - 573
330.1/FER
RESEARCH METHODS IN ECONOMICS AND BUSINESS - - NEW YORK The Macmillan Co. 1962 - 573
330.1/FER