Hausladen, Gerhard
Birkhauser, 2008
Buku Referensi
by Gerhard Hausladen...[et al.]
Birkhal'user, 2005
Buku Teks
Phelps, Joseph
Jossey-Bass, 1999
Buku Teks SO
Sandler, Corey
Prentice-Hall, 2001
Buku Teks
Farrell, Warren
[American Management Association, ], 2005
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