Zofi, Yael, author
American Management Association, 2012
eBooks
Reis, Matthew, author
[American Management Association;, ], 2010
eBooks
Koehle, Deborah, author
[American Society for Training and Development Press, American Society for Training and Development Press], 2001
eBooks
Artikel Jurnal
Ferry Firmawan, author
Faculty of Engineering, Universitas Indonesia, 2012
Artikel Jurnal