Gilley, Jerry W, author
Perseus Books, 2000
Buku Teks
Koike, Kazuo
The Japan Institute of Labour , 1997
Buku Teks
Harbison, Frederick Harris, author
International Institute for Educational Planning Unesco , 1967
Buku Teks
Gilley, Jerry W., author
American Society for Training & Development, 1992
eBooks
Gilley, Jerry W., author
[American Society for Training and Development Press, American Society for Training and Development Press], 1998
eBooks