Universitas Indonesia, 2003
UI - Skripsi (Membership)
Universitas Indonesia, 1989
UI - Skripsi (Membership)
Universitas Indonesia, 1998
UI - Skripsi (Membership)
Universitas Indonesia, 2005
UI - Skripsi (Membership)
Muhammad Ihsan, author
Universitas Indonesia, 2007
UI - Skripsi (Membership)