Kingma, Bruce R.
Libraries Unlimited, 2001
Buku Teks
Kingma, Bruce R.
Libraries Unlimited, Inc., 1996
Buku Teks
Mishan, E. J.
George Allen and Unwin, 1976
Buku Teks
editor, Cat Sharpe
[American Society for Training and Development Press, American Society for Training and Development Press], 1997
eBooks
Singgih Widigdya
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2017
UI - Skripsi Membership