Artikel Jurnal
Singh, H., author
Medical Journal of Indonesia, 2002
Artikel Jurnal
Lyons, David, author
Clarendon Press, 1991
Buku Teks
Josua Lumban Gaol, author
Fakultas Teknik Universitas Indonesia, 2023
UI - Tesis (Membership)
Garfield, Paul J.
Prentice-Hall, 1964
Buku Teks