Carroll, R.W., author
Academic Press, 1976
Buku Teks
Glassey, Robert T., author
Society for Industrial and Applied Mathematics, 1996
eBooks
Etzioni, Amitai, author
Prentice-Hall, 1976
Buku Teks
DiBenedetto, Emmanuele, author
[Springer, ], 2012
eBooks
United Nations Conference on Human Environment, 1972
Buku Teks