Agung Sigit Santoso, author
Fakultas Psikologi Universitas Indonesia, 2003
UI - Tesis (Membership)
Dedi Prasetyo, author
Program Pascasarjana Universitas Indonesia, 2002
UI - Tesis (Membership)
Yulia Muliati Harun, author
Lembaga Penelitian Universitas Indonesia, 1986
UI - Laporan Penelitian
Tjuk Basuki, author
Program Pascasarjana Universitas Indonesia, 1998
UI - Tesis (Membership)
Shah, Giriraj, author
Anmol Publications, 2000
Buku Referensi