Richard P. Lewis
John D. Phelan
David Cloughton
Denis Riley
Alfred George Macken
Gilbert Noël
Henry C. Klein
United States. General Accounting Office
Morrison, Robert M.
Johann-Christian Paschen
W. B. Honour
Gerhard Koralus
André Tulkens
American Management Association.
American Management Association
Diana L. Kowatch
Clyde McCarty Kahler