Drucker, Peter Ferdinand, 1909-2005
The effective executive
Harper & Row, 1996
 Buku Teks
Henshaw, Richard C.
The executive game
Richard D. Irwin, 1966
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The executive life
by the editors of Fortune
Doubleday, 1956
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Learned, Edmund P. (Edmund Philip), 1900-1991
Executive action
Harvard University Press, 1951
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Copeland, Melvin T.
The executive at work
Harvard University Press, 1955
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