Wilkins, David, 1971-, author
American Society for Training & Development, 2012
eBooks
Bingham, Tony, author
American Society for Training & Development, 2011
eBooks
Madge, John
Longman, 1980
Buku Teks
Rogers, Michaela, author
Sage, 2019
Buku Teks
Information Resources Management Association, editor.
IGI Global, 2012
Buku Referensi