Dumas, Alexandre
Shira Media, 2015
Buku Teks
Kristiansen, Nancy S.
[American Society for Training and Development Press;, ], 2005
eBooks
Winkelmann, Rainer
Springer-Verlag, 1997
Buku Teks
Jones, Jim
Taplinger, 1966
Buku Teks
edited by Alison Clarke-Stewart, Judy Dunn
Cambridge University Press, 2006
Buku Teks SO