Biech, Elaine.
ASTD Press, 2009
Multimedia
Biech, Elaine.
ASTD Press, 2009
Multimedia
Atwood, Christee Gabour
American Society for Training & Development, 2009
eBooks
Atwood, Christee Gabour
ASTD Press, 2009
Buku Teks
Nilson, Carolyn
[American Management Association, ], 2003
eBooks