Prasad, S. Benjamin
Prentice-Hall, 1976
Buku Teks
McLeod, Raymond, author
John Wiley & Sons, 1982
Buku Teks
American Society for Training and Development Research
American Society for Training & Development, 2012
eBooks
Ball, Donald A., author
Business Publications, 1985
Buku Teks
Nanda Kartika Ayu, author
2020
UI - Tesis (Membership)