Ewing, David W. Long-range planning for management / edited by David W. Ewing. - 3d ed. - New York : Harper & Row , [1972] . - xii, 464 p. : illus. ; 22 cm. Includes Index. ISBN: 0060112174 Subjects--Topical Terms: Industrial management.Planning. Dewey Class. No.: 658 / LON 1972