Universitas Indonesia, 1991
UI - Skripsi (Membership)
Naibaho, Tumpak, author
Fakultas Teknik Universitas Indonesia, 1991
UI - Skripsi (Membership)
Universitas Indonesia, 1994
UI - Skripsi (Membership)
Universitas Indonesia, 1994
UI - Skripsi (Membership)
Robbi Prayudha, author
Universitas Indonesia, 2009
UI - Skripsi (Open)