Brusino, Justin
American Society for Training & Development, 2008
eBooks
Atwood, Christee Gabour
American Society for Training & Development, 2007
eBooks
Ritchie, John C.
Prentice-Hall, 2002
Buku Teks
Newstrom, John W.
McGraw-Hill, 1997
Buku Teks
Chan, Janis Fisher
[American Management Association;, ], 1999
eBooks