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University of the Aegean |
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Capital University |
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University of Arizona |
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Ohio State University |
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Harvard Summer School |
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Stanford University |
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University of Strathclyde |
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ETH-Zuerich |
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The Greek Ministry of Culture |
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Ministry of Education |
Doryssa Bay Hotel | |
T.E.D.K. | |
Prefecture of Samos | |
Ministry of the Aegean | |
Municipality of Pythagoreon | |
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OTE |
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John Wiley |
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Texas Instruments |
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Wolfram Inc |
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Waterloo Maple Software |
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Casio |
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Derive |
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Project Cabri-Geometry |