Arifin Santoso, author
2001
UI - Skripsi (Membership)
Yadrifil, author
Fakultas Teknik Universitas Indonesia, 2001
UI - Laporan Penelitian
Sugars, Bradley J., author
McGraw-HIll , 2006
Buku Teks
Johnson, Spencer, author
Harper Collins, 2004
Buku Teks
Gamble, Teri Kwal, author
American Society for Training & Development, 2007
eBooks