Niven, Paul R.
John Wiley & Sons, 2003
Buku Teks
Niven, Paul R
John Wiley & Sons, 2005
Buku Teks
Novak, Clare
[American Society for Training & Development Press, American Society for Training & Development Press], 2000
eBooks
Ana Rohmatul Zulfa
Universitas Indonesia, 2013
UI - Tesis (Membership)
Eka Yan Permana
Fakultas Teknik Universitas Indonesia, 2013
UI - Tesis (Membership)