Keynes Open University Press, 1988
Buku Teks
Kirana Dwitia Putri, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2019
UI - Tesis (Membership)
Association for Educational and Training Technology; editor, C. W. Osborne
Kaogan Page, 1994
Buku Referensi
Aldi Alamsyah, author
Fakultas Psikologi Universitas Indonesia, 2018
UI - Skripsi (Membership)
Harry B. Santoso, author
Universitas Indonesia Publishing , 2019
Buku Teks