Rogers, Carl R.
Charles E. Merrill, 1969
Buku Teks
Juliet Sprake
Sense, 2012
eBooks
McCarthy, Bernice, author
American Society for Training & Development, 2007
eBooks
Metzger, Walter P., author
Columbia University Press, 1969
Buku Teks
Glen O’Grady, Elaine H.J. Yew, Karen P.L. Goh, Henk G. Fchmidt, editor
[, Springer], 2012
eBooks