Meyer, Kathy
[American Society for Training & Development;, ], 1997
eBooks
In Hun
Foreign Languages Pub. House, 2014
Buku Teks
Portland : Glimmer Train Inc
Majalah, Jurnal, Buletin
Guralnick, Peter
Little, Brown and Company, 1994
Buku Teks
Newby, Eric
Picador, 1989
Buku Teks