International Research Center,
Majalah, Jurnal, Buletin
Firman Wihono
Universitas Indonesia, 2016
UI - Tesis Membership
Barnett, Arthur Doak
Frederick A. Praeger, 1963
Buku Teks
The Johns Hopkins Press, 1928
Buku Teks
Limbong, Boy Jhoustroy
Fakultas Ekonomi dan Bisinis Universitas Indonesia, 2022
UI - Tesis Membership