Kementerian Luar Negeri Republik Indonesia, 2009
Buku Teks
The Organization , 1980
Buku Teks
Muntarbhorn, Vitit
Chulalongkorn University, 1986
Buku Teks
Koesrianti, author
University of Indonesia, Faculty of Law, 2013
Artikel Jurnal
UNDP , 1990
Buku Teks