Sayman Peten Sili, author
Universitas Indonesia, 2005
UI - Tesis (Membership)
Pengurus Pusat PKGDI, 1992
Buku Teks
Minden, 1943
Buku Teks
Vincentius Dhanang Widhianto, author
Fakultas Hukum Universitas Indonesia, 2019
UI - Tesis (Membership)
Eka jaya, 2004
Buku Teks