Haneberg, Lisa, author
American Society for Training & Development, 2007
eBooks
Jones, Manley Howe
Ill Irwin , 1957
Buku Teks
Bursk, Edward Collins, author
Cambridge, Mass, Harvard University Press
Buku Teks
Martin, Chuck, author
American Management Association, 2007
eBooks
Benton, D.A., author
Gramedia Pustaka Utama, 2004
Buku Teks