Universitas Indonesia, 2007
UI - Skripsi (Membership)
Harahap, Yahdiana, author
UI-Press, 2010
UI - Pidato
Puji Suryani, author
2003
UI - Tesis (Membership)
Jenni Caroline Maria, author
2007
UI - Tesis (Membership)
Rooslane Indira Sari, author
Fakultas Psikologi Universitas Indonesia, 2005
UI - Tesis (Membership)