Niwata, Noriaki
Society of business and commerce, Keio University, 1971
Buku Teks
Niwata, Noriaki
The Insurance Institute of the Keio University , 1986
Buku Teks
Indonesia Financial Services Authority, 2015
Buku Teks
International Labour Office, 1999
Buku Teks
Hermawanto, author
Fakultas Hukum Universitas Indonesia, 2014
UI - Tesis (Membership)