McLeod, Doug, author
[American Management Association;, ], 2010
eBooks
Ohai, Tim, author
American Society for Training & Development, 2008
eBooks
Humphries, john
Groiler International, 1993
Buku Teks
Stewart, Grant
Erlangga , 1995
Buku Teks
Seidman, Dan, author
American Society for Training & Development, 2008
eBooks