Garber, Peter R., author
ASTD Press, 2011
Buku Teks
Amirah Rachma Santoso, author
Fakultas Psikologi Universitas Indonesia, 2018
UI - Tesis (Membership)
Tantri, author
Fakultas Psikologi Universitas Indonesia, 2014
UI - Tesis (Membership)
Nidia Deisar, author
Universitas Indonesia, 2010
UI - Tesis (Membership)
Stone, Florence M., author
American Management Association, 2007
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