Gondran, Michel
John Wiley & Sons, 1984
Buku Teks
Swamy, M.N.S.
John Wiley & Sons, 1981
Buku Teks
Even, Shimon
Computer Science Press, 1979
Buku Teks
edited by Yousef Alavi, Don R. Lick, Jiuqiang Liu
World Scientific, 1994
Buku Teks
Tarjan, Robert Endre
Society for Industrial and Applied Mathematics, 1983
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