Universitas Indonesia, 1991
UI - Skripsi (Membership)
Universitas Indonesia, 1993
UI - Skripsi (Membership)
Universitas Indonesia, 1991
UI - Skripsi (Membership)
Sitorus, A.E.B., author
Universitas Indonesia, 1986
UI - Skripsi (Membership)
Tobing, Risma, author
Fakultas Hukum Universitas Indonesia, 1983
UI - Skripsi (Membership)