Kroehnert, Gary, author
North Ryde, 2005
Buku Teks
Sugar, Steve, author
American Society for Training & Development, 2006
eBooks
Chen, Chris, author
McGraw-HIll , 2005
Buku Teks
Adi Soenarno, author
Andi, 2006
Buku Teks
Sullivan, Rick, author
[American Society for Training & Development Press, American Society for Training & Development Press], 2005
eBooks