Hitchcock, Terrance S.
American business : the last hurrah? : can we regain our competitive edge? / Terrence S. Hitchcock
Dow Jones-Irwin , 1982
 Buku Teks SO
Gray, Edmund R.
Management : the competitive edge
Macmillan, 1990
 Buku Teks
Luthans, Fred
Psychological capital : developing the human competitive edge
Oxford University Press, 2007
 Buku Teks SO
Luthans, Fred
Psychological capital : developing the human competitive edge
Oxford University Press , 2007
 Buku Teks SO
Rothwell, William J., 1951-
Lean but agile: rethink workforce planning and gain a true competitive edge
American Management Association, 2012
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