ICRAF, 2003
Buku Teks
Makagiansar, Gerry, author
Fakultas Hukum Universitas Indonesia, 2014
UI - Tesis (Membership)
Harahap, Tondi Maratua, author
Fakultas Hukum Universitas Indonesia, 2020
UI - Tesis (Membership)
Sitanggang, Rohaya, author
Universitas Indonesia, 2005
UI - Tesis (Membership)
Universitas Indonesia, 2006
UI - Skripsi (Membership)