Hasibuan, H.D. Effendy
Universitas Indonesia, 2003
UI - Disertasi (Membership)
Sudargo Gautama
Alumni, 1987
Buku Teks
Universitas Indonesia, 1990
UI - Skripsi (Membership)
Soegondo Soemodiredjo
Union Patent International, 1979
Buku Teks
Universitas Indonesia, 1990
UI - Skripsi (Membership)