CONTATTACI
LUISS BUSINESS SCHOOL, ITALIA
LINFA DIGITAL SRLS, Italy
UNIVERSITà DELLA MACEDONIA, GRECIA
EUROPEAN CENTER FOR QUALITY OOD, BULGARIA
RIGA TECHNICAL UNIVERSITY, LETTONIA
SYMPLEXIS, GRECIA
The European Commission’s support for the production of this publication does not constitute an endorsement of the contents, which reflect the views only of the authors, and the Commission cannot be held responsible for any use which may be made of the information contained therein.
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