Situmorang, Happy, author
Fakultas Psikologi Universitas Indonesia, 2013
UI - Skripsi (Membership)
Nandar Luwias, author
1988
UI - Skripsi (Membership)
Pattywael, Maria Angelin, author
Universitas Indonesia, 2015
UI - Skripsi (Membership)
Didit Hersanto Putra, author
Fakultas Psikologi Universitas Indonesia, 2012
UI - Skripsi (Open)
S.C. (Sukarni Catur) Utami Munandar, author
UI-Press, 2001
UI - Pidato