Artikel Jurnal
Kamath, Chandrika, author
Society for Industrial and Applied Mathematics, 2009
eBooks
Thrush, Paul W., author
U.S. Dept. of the Interior, 1968
Buku Referensi
Majalah, Jurnal, Buletin
Arif Budimanta, author
Universitas Indonesia, 2006
UI - Disertasi (Membership)