Artikel Jurnal
Febri Ariadi, author
Fakultas Hukum Universitas Indonesia, 2019
UI - Skripsi (Membership)
Okolie, Charles Chukwuma, author
Frederick A. Praeger, 1975
Buku Teks
Gee, Sherman
John Wiley & Sons, 1981
Buku Teks
Stewart, Frances, author
World Bank, 1979
Buku Teks