LaBonte, Thomas J
American Society Training and Development, 2001
Buku Teks
American Association of Community and Junior Colleges, 1988
Buku Teks
edited by Gui Weihsin
Institute of Southeast Asian Studies , 2014
eBooks
Ryan Abraham Pratama
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2013
UI - Tugas Akhir
Ainscough, Justin, editor
Springer, 2011
eBooks