Adrian Rahmat Purwanto, author
2010
UI - Skripsi (Open)
Feather, Leonard, author
Horizon Press, 1960
Buku Referensi
Otte, Andreas, author
Springer, 2012
eBooks
R. Muhammad Mulyadi, author
Universitas Indonesia, 1999
UI - Tesis (Membership)
Iwan Yanwar Soedradjat, author
Universitas Indonesia, 2003
UI - Tesis (Membership)