Catherine, author
Fakultas Psikologi Universitas Indonesia, 1999
UI - Skripsi (Membership)
Sulistijono, author
Fakultas Psikologi Universitas Indonesia, 2004
UI - Skripsi (Membership)
Siti Hamidah, author
Fakultas Psikologi Universitas Indonesia, 2001
UI - Skripsi (Membership)
V. Heru Hariyanto, author
Fakultas Psikologi Universitas Indonesia, 1998
UI - Tesis (Membership)
Saragih, Ema Essyyani, author
Fakultas Psikologi Universitas Indonesia, 2001
UI - Skripsi (Membership)