Ruijing, Shen, author
[, Springer], 2012
eBooks
edited by Helmut Gilnzler and Alex Williams
Wiley-VCH, 2001
Buku Referensi
Toporek, Adam, author
AMACOM American Management Association, 2015
Buku Teks
Charney, Cyril, author
American Management Association, 2006
eBooks
Lucas, Robert W., author
Amacom , 2005
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