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Buku Teks
Johansen, Bob, author
Berrett-Koehler, 2012
Buku Teks
Frigon, Normand L.
N.Y. American Management Association , 1996
Buku Teks
Bambang Triasmono, author
Universitas Indonesia, 2006
UI - Tesis Membership
Adriani, author
1986
UI - Skripsi Membership