Atwood, Christee Gabour, author
American Society for Training & Development, 2009
eBooks
Newman, Amy, author
[American Society for Training & Development Press, American Society for Training & Development Press], 1999
eBooks
Artikel Jurnal
Carr, Houston H., author
McGraw-Hill, 2003
Buku Teks
Barnett, Raymond A., author
Dellen, 1987
Buku Teks