Tracy, Brian, author
John Wiley & Sons, 2003
Buku Teks
Mattone, John, author
[American Management Association, ], 2013
eBooks
Zichy, Shoya, author
[American Management Association, ], 2013
eBooks
Betof, Edward, author
American Society for Training & Development, 2009
eBooks
Hedges, Kristi, author
[American Management Association, ], 2012
eBooks