Williamson, Charles Donovan An executive operations technique / Charles Donovan Williamson, - Rev. and enl. ed. - Englewood Cliffs, N.J. : Prentice-Hall, c1963. - xxi, 211 p. : ill. ; 24 cm. Subjects--Topical Terms: ExecutivesManagement Dewey Class. No.: 658 / WIE 1963