Emerson, Tricia, author
American Society for Training & Development, 2011
eBooks
Judge, William Q., author
Businessexpert, 2011
Buku Teks
Stewart, Valerie, author
McGraw-Hill, 1983
Buku Teks
Garber, Peter R., author
American Society for Training & Development, 2012
eBooks
Harvard Business School Press, 1998
Buku Teks