McHugh, Donald E., author
[American Management Association;, ], 2004
eBooks
Sharma, Robin, author
Free Press, 2010
Buku Teks
Swartz, Greg, author
American Society for Training & Development, 2008
eBooks
Cottrell, David, author
McGraw-Hill , 2013
Buku Teks
Carrison, Dan, author
[American Management Association, ], 1999
eBooks