Thomas Diefenbach, author
Ritsumeikan Asia Pacific University (APU), 2015
Artikel Jurnal
Kluwer Law International, 1996
Buku Teks
Spencer, J. E.
John Wiley & Sons, 1954
Buku Teks
Gopalan, C., author
World Health Organization, 1992
Buku Teks
1992
Buku Teks