Cobb, Anthony T.
Sage, 2006
Buku Teks
Meidy Wardini Arisawan
2019
UI - Makalah dan Kertas Kerja
Gaines, Kathryn
American Society for Training & Development, 2006
eBooks
Herrick, Neal Q.
Jossey-Bass, 1990
Buku Teks
Russell, Lou
American Society for Training & Development, 2012
eBooks