Research methods in economics & business /
Ferber, Robert, 1922-
Research methods in economics & business / by Robert Ferber and P. J. Verdoorn. - New York : Macmillan ; c1962 [Reprinted 1970] - 573 p. : illus. ; 25 cm.
Includes bibliography and Index
Economics--Research.
330.72 / FER 1970
Research methods in economics & business / by Robert Ferber and P. J. Verdoorn. - New York : Macmillan ; c1962 [Reprinted 1970] - 573 p. : illus. ; 25 cm.
Includes bibliography and Index
Economics--Research.
330.72 / FER 1970