Havelock, Ronald G.
University of Michigan, 1973
Buku Teks
Cadzow, Linda, author
[American Society for Training & Development Press, American Society for Training & Development Press], 2002
eBooks
Maio, Gregory R., author
Sage, 2015
Buku Teks
Mills, Gordon E., author
Addison-Wesley, 1988
Buku Teks
Millbower, Lenn, author
American Society for Training and Development Press, 2004
eBooks