Williamson, Charles Donovan An executive operations technique / Charles Donovan Williamson - Rev. and enl. ed. - Englewood Cliffs, N.J.: Prentice-Hall, 1963. - xxi, 211 p.: illus. 24 cm. LCCN: 63009964 Subjects--Topical Terms: ExecutivesManagement Dewey Class. No.: 658.4034 / WIE 1963