Harris, Thomas E., author
Pearson, 2011
Buku Teks
Tubbs, Stewart L., author
McGraw-Hill, 1995
Buku Teks
Fisher, B. Aubrey, 1937-, author
McGraw-Hill, 1980
Buku Teks
Ellis, Donald G., author
McGraw-Hill, 1994
Buku Teks
Miller, Brian Cole, author
[American Management Association;, ], 2010
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