Universitas Indonesia, 1987
UI - Skripsi (Membership)
Hartono Widodo, author
Rajawali, 1992
Buku Teks
Hartono Widodo, author
Rajawali, 1989
Buku Teks
Universitas Indonesia, 2003
UI - Skripsi (Membership)
Silverio Vinto Baptista, author
Universitas Indonesia, 1999
UI - Skripsi (Membership)