Bratt, Elmer Clark.
Business forecasting / Elmer C. Bratt - New York : McGraw-Hill, 1958. - 366 p. : ill. ; 23 cm.
Business forecasting.
658.8 / BRB
Business forecasting / Elmer C. Bratt - New York : McGraw-Hill, 1958. - 366 p. : ill. ; 23 cm.
Business forecasting.
658.8 / BRB