Novak, Clare, author
[American Society for Training & Development Press, American Society for Training & Development Press], 2000
eBooks
Dent, Janice, author
[American Society for Training and Development Press, American Society for Training and Development Press], 2000
eBooks
Universitas Indonesia, 1995
UI - Skripsi (Membership)
Kaplan, Robert S., author
Erlangga, 2000
Buku Teks
Universitas Indonesia, 1991
UI - Skripsi (Membership)