Hutapea, Anthony L.P., author
Universitas Indonesia, 1992
UI - Skripsi (Membership)
Suparto Wijoyo, author
Airlangga University Press, 2003
Buku Teks
Maslihati Nur Hidayati, author
Universitas Indonesia, 2005
UI - Skripsi (Membership)
Indonesia Center for Environmental LAW, 1998
Buku Teks
Universitas Indonesia, 1997
UI - Skripsi (Membership)