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| Portions of the above article were adapted from the following sources under the [[GNU Free Documentation License]], under other applicable licenses, or by permission of the copyright holders. | | Portions of the above article were adapted from the following sources under the [[GNU Free Documentation License]], under other applicable licenses, or by permission of the copyright holders. |
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| + | * [http://mywikibiz.com/Relation_theory Relation Theory], [http://mywikibiz.com/ MyWikiBiz] |
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| + | * [http://mathweb.org/wiki/Relation_theory Relation Theory], [http://mathweb.org/wiki/ MathWeb Wiki] |
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| + | * [http://netknowledge.org/wiki/Relation_theory Relation Theory], [http://netknowledge.org/ NetKnowledge] |
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| + | * [http://wiki.oercommons.org/mediawiki/index.php/Relation_theory Relation Theory], [http://wiki.oercommons.org/ OER Commons] |
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| + | * [http://p2pfoundation.net/Relation_Theory Relation Theory], [http://p2pfoundation.net/ P2P Foundation] |
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| + | * [http://semanticweb.org/wiki/Relation_theory Relation Theory], [http://semanticweb.org/ Semantic Web] |
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| + | * [http://planetmath.org/encyclopedia/RelationTheory.html Relation Theory], [http://planetmath.org/ PlanetMath] |
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| + | * [http://planetphysics.org/encyclopedia/RelationTheory.html Relation Theory], [http://planetphysics.org/ PlanetPhysics] |
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| + | * [http://getwiki.net/-Theory_of_Relations Relation Theory], [http://getwiki.net/ GetWiki] |
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| + | * [http://wikinfo.org/index.php/Theory_of_relations Relation Theory], [http://wikinfo.org/ Wikinfo] |
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| + | * [http://textop.org/wiki/index.php?title=Theory_of_relations Relation Theory], [http://textop.org/wiki/ Textop Wiki] |
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| [[Category:Inquiry]] | | [[Category:Inquiry]] |