edited by Goib Wiranto
LIPI Press, 2006
Buku Teks
Rothberg, Helen N, author
Elsevier Butterworth-Heinemann, 2005
Buku Teks
Thomas Walsh, editor; Harry Wibowo, editor
INFID, 2003
Buku Teks
Wagstaff, Liz, author
Quadrille, 1999
Buku Referensi
Neef, Dale, author
[American Management Association, ], 2004
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