Treasur, Bill, author
American Society For Training & Development, 2014
Buku Teks
Christensen, Ralph, author
American Management Association, 2006
eBooks
Ghadiri, Argang, author
[Springer, ], 2012
eBooks
Hayzlett, Jeffrey W., 1960-, author
McGraw-Hill, 2012
Buku Teks
Bryson, George D.
McGraw-Hill , 1964
Buku Teks