Carliner, Saul, author
ATD Press, 2015
Buku Teks
Carliner, Saul, author
American Society for Training & Development, 2003
eBooks
Rowley, E. Jennifer, author
Clive bingley, 1990
Buku Teks
Mcevoy, Sean, author
Routledge, 2006
Buku Teks
Russell, Jeffrey, author
American Society for Training & Development, 2006
eBooks