Easley, David, author
Cambridge University Press, 2018
Buku Teks
Hansen, Derek L., author
Morgan Kaufmann, 2011
Buku Teks
American Society for Training and Development Research
American Society for Training & Development, 2012
eBooks
Quesenbery, Whitney, author
Elsevier, 2012
Buku Teks
Ari Nugroho, author
2020
UI - Tesis (Membership)