Universitas Indonesia, 1986
UI - Tugas Akhir
Widowati Ratna D., author
Fakultas Hukum Universitas Indonesia, 1987
UI - Skripsi (Membership)
Rochmat Soemitro, author
Eresco, 1988
Buku Teks
Rochmat Soemitro, author
Eresco, 1988
Buku Teks
Universitas Indonesia, 1994
UI - Skripsi (Membership)