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บรรทัด 25:
* {{Mathworld | urlname=PlatonicSolid | title=Platonic solid }}
* [http://www.platonicsolids.info Platonic Solids Information] information, links, graphics, video
* [http://www.
* [http://aleph0.clarku.edu/~djoyce/java/elements/bookXIII/propXIII13.html Book XIII] of Euclid's ''Elements''.
* [http://ibiblio.org/e-notes/
* [http://www.mat.puc-rio.br/~hjbortol/mathsolid/mathsolid_en.html Interactive Folding/Unfolding Platonic Solids] {{Webarchive|url=https://web.archive.org/web/20070209043012/http://www.mat.puc-rio.br/~hjbortol/mathsolid/mathsolid_en.html |date=
* [http://agutie.homestead.com/files/solid/platonic_solid_1.htm Platonic Solids] Interactive animation.
* [http://www.korthalsaltes.com/platonic_solids_pictures.html Platonic Solids] {{Webarchive|url=https://web.archive.org/web/20070219092321/http://www.korthalsaltes.com/platonic_solids_pictures.html |date=
* [http://www.magneblocks.com Educational toy system of Platonic Solids] magnetic blocks
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