Iordache, Octavian
Springer, 2012
eBooks
Haines, Stephen G.
HRD Press, 1998
Buku Teks
Piskurich, George M.
American Society for Training and Development, 2006
eBooks
Harper & Row , 1981
Buku Teks
Marquardt, Michael
[American Society for Training and Development Press, American Society for Training and Development Press], 2005
eBooks