Edy Putra Tje Aman, author
Liberty, 1989
Buku Teks
Silalahi, Hendrik, author
Universitas Indonesia, 1997
UI - Skripsi (Membership)
Cindy Anggraini, author
Universitas Indonesia, 2010
UI - Skripsi (Open)
Universitas Indonesia, 1993
UI - Skripsi (Membership)
Universitas Indonesia, 1999
UI - Skripsi (Membership)