Gendelman, Joel, author
American Society for Training & Development, 2010
eBooks
Richardson, Henry Handel, author
Willam Heinemann, 2001
Koleksi Publik
Richardson, Henry Handel, author
William Heinemann, 1977
Buku Teks
Cope, Mick, author
Financial Times Prentice Hall, 2003
Buku Teks
Gendelman, Joel, author
ASTD Press, 2010
Buku Teks