Dunckel, Earl B. The business environment of the seventies : a trend analysis for business planning / by Earl B. Dunckel, William K. Reed and Ian H. Wilson. - New York : McGraw-Hill, c1970 - viii, 129 p. ; 28 cm. At head of title: Special report to management. Bibliography: p. 123-126. ISBN: 0070182078 Subjects--Topical Terms: Economic forecasting.Forecasting. Dewey Class. No.: 338.544 / DUB 1970