Brecht, Arnold
Political theory: the foundations of twentieth-century political thought
Princenton University Press, 1968
Buku Teks
Computing methods in optimization problems
Springer-Verlag, 1969
Buku Teks
Numerical methods in thermal problems
edited by R.W. Lewis
Pineridge Press, 1979
Buku Teks
Akulenko, Leonid D.
Problems and methods of optimal control
Kluwer, 1994
Buku Teks
The study of society : methods and problems
edited by F.C. Bartlett
Kegan Paul, Trench, 1946
Buku Teks