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- Regular participant (developed countries) by 9 May 200e200 €, from 10 May 225e225 €
- Regular participant (developing and transition countries, see ISI definition at https://www.isi-web.org/resources/developing-countries) by 9 May 150e150 €, from 10 May 170e170 €
- Full-time student (developed countries) 50e50 $
- Accompanying person (incl. social program) 110e110 €
- Participants from Ukraine are exempt from the registration fee
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