Universitas Indonesia, 2001
UI - Skripsi (Membership)
Gultom, Lodewijk, author
2003
UI - Disertasi (Membership)
Gultom, Lodewijk, author
2003
UI - Disertasi (Membership)
Taufiq Hamami, author
Alumni, 2003
Buku Teks
Universitas Indonesia, 2002
UI - Skripsi (Membership)