Snell, J. Laurie (James Laurie), 1925-
Random House, 1987
Buku Teks SO
Snell, J. Laurie (James Laurie), 1925-
McGraw-Hill , 1989
Buku Teks SO
Ross, Sheldon M.
Elsevier , 2007
Buku Teks SO
Roberts, Richard A., 1935-
Massachusetts Addison-Wesley, 1992
Buku Teks SO
Breiman, Leo
Society for Industrial and Applied Mathematics, 1992
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