Christofides, Nicos, author
Academic Press, 1975
Buku Teks
Chartrand, Gary, author
McGraw-Hill, 2005
Buku Teks
Balakrishnan, R., author
[Springer Science, ], 2012
eBooks
McKee, Terry A., author
Society for Industrial and Applied Mathematics, 1999
eBooks
Gross, Jonathan L., author
Chapman & Hall/CRC Taylor & Francis Group, 2006
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