Universitas Indonesia, 2003
UI - Skripsi (Membership)
Universitas Indonesia, 2004
UI - Skripsi (Membership)
Universitas Indonesia, 1992
UI - Skripsi (Membership)
Universitas Indonesia, 1995
UI - Skripsi (Membership)
Surbakti, Helmon, author
Fakultas Teknik Universitas Indonesia, 2001
UI - Skripsi (Membership)