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Kencana Prenada Media Group, 2010
Buku Teks
Cowan, Stella Louise
[American Society for Training & Development Press, American Society for Training & Development Press], 2001
eBooks
Canggih Adiyasa
Fakultas Ilmu Komputer Universitas Indonesia, 2014
UI - Tesis (Membership)
Robbins, Stephen P.
Prentice-Hall, 1997
Buku Teks
Hitt, Michael A.
Pearson, 2009
Buku Teks