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Gianna Vontsa
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Member since 2021
My Public / Unpublished Books (2)
Πώς ο Ερατοσθένης μέτρησε την ακτίνα της γης
by Gianna Vontsa
4
Πυθαγόρειο θεώρημα
by Gianna Vontsa
1
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