Sumbodo Prabowo, author
Fakultas Psikologi Universitas Indonesia, 2003
UI - Tesis (Membership)
Artikel Jurnal
Azwar, author
Lembaga Penelitian Universitas Indonesia, 1998
UI - Laporan Penelitian
Nuranto Hadyansah, author
1991
UI - Skripsi (Membership)
Robson, Mike, author
Binarupa Aksara, 1994
Buku Teks