Fakultas Psikologi Universitas Indonesia, 1994
UI - Skripsi (Membership)
Fakultas Teknik Universitas Indonesia, 2014
UI - Skripsi (Membership)
David Hartanto, author
Fakultas Ilmu Administrasi Universitas Indonesia, 2014
UI - Skripsi (Membership)
Callahan, Madelyn, author
[American Society for Training and Development Press, American Society for Training and Development Press], 2001
eBooks
Budi Cahyo Wardoyo, author
Fakultas Teknik Universitas Indonesia, 2016
UI - Tesis (Membership)