Yatiman, author
Program Pascasarjana Universitas Indonesia, 2005
UI - Tesis Membership
Helmina, author
Program Pascasarjana Universitas Indonesia, 2007
UI - Tesis Membership
Butarbutar, Pagar, author
Fakultas Psikologi Universitas Indonesia, 2005
UI - Tesis Membership
Onni Rosleini, author
Program Pascasarjana Universitas Indonesia, 2007
UI - Tesis Membership
Agus Suparno, author
Universitas Indonesia, 2001
UI - Tesis Membership