Wilensky, Robert, author
Addison-Wesley, 1983
Buku Teks
Hastie, Reid, author
Sage Published, 2010
Buku Teks
Hein, Leonard W., author
Prentice Hall of India, 1974
Buku Teks
Kai, He, author
Routledge, 2013
Buku Teks
Emerson, Brian, 1967- , author
American Management Association, 2008
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