Harvard Business School Press, 2001
Buku Teks
Holt, Katherine E., author
[;American Society for Training & Development Press, American Society for Training & Development Press], 2003
eBooks
Tag, Nancy R., author
Sage, 2012
Buku Teks
Kotler, Philip, author
Wiley, 2012
Buku Teks
Sappington, Erin, author
American Society for Training & Development, 2010
eBooks