Ferber, Robert, 1922-
Research methods in economics and business / Robert Ferber, P.J. Verdoorn. - New York : McMillan, 1962. - xiv, 573 p. : ill. ; 24 cm.
Includes bibliographical references.
Economics--Research.
330.7 / FER
Research methods in economics and business / Robert Ferber, P.J. Verdoorn. - New York : McMillan, 1962. - xiv, 573 p. : ill. ; 24 cm.
Includes bibliographical references.
Economics--Research.
330.7 / FER