McCain, Donald V., author
American Society for Training & Development, 2007
eBooks
Kinlaw, Dennis C.
McGraw-Hill, 1996
Buku Teks
Patrick, Julie, author
American Society for Training & Development, 2011
eBooks
Health Education Authority, 1994
Buku Teks
Downs, Lisa J., author
American Society for Training & Development, 2009
eBooks