Verardo, Denzil, author
American Society for Training and Development Press, 1999
eBooks
Willmore, Joe, author
American Society for Training and Development Press, 1998
eBooks
Gamble, John, author
McGraw-Hill , 2015
Buku Teks
David, Fred R., author
Pearson, 2015
Buku Teks
Russell, Jeffrey, author
American Society for Training & Development, 2006
eBooks