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== อ้างอิง ==
{{reflist}}
* {{cite journal
| lastlast1 = Gallo
| firstfirst1 = Giorgio
| authorlink = Giorgio Gallo
| last2 = Pallotino
| first2 = Stefano
| title = Shortest Path Algorithmspath algorithms▼ | authorlink2 = Stefano Pallottino
▲ | title = Shortest Path Algorithms
| journal = Annals of Operations Research
| volume = 13
| pages = 1–79 <!-- the inline reference refers to page 4 -->
| year = 1988
| doi = 10.1007/BF02288320
| refs2cid =harv 62752810
}}
* [[Claude Berge|Berge, Claude]], ''Théorie des graphes et ses applications''. Collection Universitaire de Mathématiques, II Dunod, Paris 1958, viii+277 pp. (English edition, Wiley 1961; Methuen & Co, New York 1962; Russian, Moscow 1961; Spanish, Mexico 1962; Roumanian, Bucharest 1969; Chinese, Shanghai 1963; Second printing of the 1962 first English edition. Dover, New York 2001)
* {{Cite book | last=Chartrand | first=Gary | authorlinkauthor-link=Gary Chartrand | coauthors= | title=Introductory graph theory | url=https://archive.org/details/introductorygrap0000char | date=1985 | publisher=Dover | location=New York | isbn=0-486-24775-9 | pagesurl-access=registration | url=https://archive.org/details/introductorygrap0000char }}
* {{Cite book | authorauthor1=Biggs, Norman; |author2=Lloyd, E. H.; |author3=Wilson, Robin J. | authorlink= | coauthors= | title=Graph theory, 1736-1936 | date=1986 | publisher=Clarendon Press | location=Oxford [Oxfordshire] | isbn=0-19-853916-9 | pagestitle-link=Graph Theory, 1736–1936}}
* {{Cite book | last=Harary | first=Frank | authorlinkauthor-link=Frank Harary | coauthors= | title=Graph theory | url=https://archive.org/details/graphtheory0000hara | date=1969 | publisher=Addison-Wesley Publishing | location=Reading, Mass. | isbn=0-201-41033-8 | pages=}}
* {{Cite book | authorauthor1=Harary, Frank; |author2=Palmer, Edgar M. | authorlink= | coauthors= | title=Graphical enumeration | date=1973 | publisher=New York, Academic Press | location= | isbn=0-12-324245-2 | pages=}}
== แหล่งข้อมูลอื่น ==
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