Kroeger, Paul R., author
Cambridge University Press, 2006
Buku Teks
Telford, Charles Witt, author
Prentice-Hall, 1981
Buku Teks
Falletta, Salvatore V., author
[American Society for Training & Development;, ], 2001
eBooks
McGilvery, Robert W., author
Airlangga University Press , 1996
Buku Teks
Durand, Vincent Mark, author
Guilford Press , 1990
Buku Teks