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Channel / Source: TEDx Talks

Title: TÃºlÃ©lÃ©si stratÃ©giÃ¡k a XXI. SzÃ¡zadra | Levente Alpek B. | TEDxPÃ©cs

Published: 2018-04-10

Source: https://www.youtube.com/watch?v=D9nPOeQ0V3s