Izumi Diana Nur, author
Program Pascasarjana Universitas Indonesia, 2003
UI - Tesis (Membership)
Tirto Apriyanto, author
Fakultas Psikologi Universitas Indonesia, 2005
UI - Tesis (Membership)
Harefa, Andrias, 1964-, author
Kompas, 2001
Buku Teks
Harefa, Andrias, 1964-, author
Kompas, 2004
Buku Teks
Harrold, Fiona, author
Gramedia, 2005
Buku Teks