Biech, Elaine, author
ASTD press, 2009
Buku Teks
Biech, Elaine.
ASTD Press, 2009
Multimedia
Biech, Elaine.
ASTD Press, 2009
Multimedia
Russell, Linda, author
American Society for Training & Development, 2009
eBooks
Burns, Tom, author
Sage Publications, 2003
Buku Teks