edited by Frances Christie and J. R. Martin
Continuum, 2000
Buku Teks
edited by Shane R. Thye, Edward J. Lawyer
Elsevier, 2006
Buku Teks
Ottensmeyer, Edward J., author
McGraw-Hill, 1996
Buku Teks
Artikel Jurnal
Saricks, Joyce G., author
[American Management Association, ], 2009
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