Coleman, Rodney
George Allen & Unwin, 1974
Buku Teks
Parzen, Emanuel, 1929-
Society for Industrial and Applied Mathematics, 1999
eBooks
Srinavasan, S.K.
Tata McGraw-Hill, 1988
Buku Teks SO
Kampen, N.G. van
North-Holland, 1981
Buku Teks SO
Ash, Robert B.
Academic Press, 1975
Buku Teks