Piotrowska, Anna Iwona. «FIELDS OF POTENTIAL USE OF CRYPTOCURRENCIES IN THE PAYMENT SERVICES MARKET IN POLAND – RESULTS OF AN EMPIRICAL STUDY». Copernican Journal of Finance & Accounting, вип. 5, вип. 2, Березень 2017, с. 201-17, doi:10.12775/CJFA.2016.023.