Atwood, Christee Gabour
American Society for Training & Development, 2007
eBooks
Ciampa, Dan
Harvard Business School Press, 1999
Buku Teks
Fulmer, Robert M.
[American Management Association, ], 2004
eBooks
Kouzes, James M.
Jossey-Bass, 2002
Buku Teks
Shinn, George
McGraw-HIll , 1986
Buku Teks