Rivera, Ray J., author
American Society for Training & Development, 2007
eBooks
Information Resources Management Association, editor.
IGI Global, 2012
Buku Referensi
Marquardt, Michael, author
American Society for Training and Development Press, 1999
eBooks
editors, Marshall Goldsmith, Howard Morgan, Alexander J. Ogg
John Wiley & Sons, 2004
Buku Teks
Nofan Ariza Putra, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2012
UI - Skripsi (Open)