Yusida Lusiana, author
Fakultas Psikologi Universitas Indonesia, 2004
UI - Tesis Membership
Schermerhon, R.A., author
Rajawali, 1987
Buku Teks
Schermerhon, R.A., author
Rajawali, 1987
Buku Teks
M. Syafi`i Anwar, author
1994
UI - Tesis Membership
Wikrama Iryans Abidin, author
Universitas Indonesia, 2004
UI - Tesis Membership