Artikel Jurnal

Lee, David, author

American Society for Training & Development, 2012

 eBooks

Intan Lestari, author

Fakultas Teknik Universitas Indonesia, 2008

 UI - Skripsi (Open)

Greene, Ellin, author

Libraries Unlimited, 1996

 Buku Teks

Hurt, Karin B., author

[American Society for Training & Development Press;American Society for Training & Development Press;American Society for Training & Development Press, American Society for Training & Development Press], 2003

 eBooks