Burns, Tom, author
Sage Publications, 2003
Buku Teks
Pietrzak, Theodore, author
[American Society for Training and Development Press;;, ], 2005
eBooks
Reva Ariane, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2017
UI - Skripsi (Membership)
by Alice Easterling [and others]
American Hospital Publishing, 1995
Buku Teks
Keegan, Warren J., author
Prenhallindo, 1996
Buku Teks