Dimas Budi Prasetyo, author
Fakultas Psikologi Universitas Indonesia, 2009
UI - Skripsi (Open)
Faiza Ratna Umaro, author
2015
UI - Skripsi (Membership)
Laura Bernadeth, author
2004
UI - Skripsi (Membership)
Enright, Robert D., author
APA LifeTools, 2005
Buku Teks
Jampolsky, Gerald G., author
Erlangga, 2001
Buku Teks