1. Commission, E. (2021, June). Payment services (PSD 2) – Directive (EU) 2015/2366. Tratto da An official website of the European Union: European Commission. https://ec.europa.eu/info/law/payment-services-psd-2-directive-eu-2015-2366_en
2. Eurostat. (2021, February). E-commerce statistics. Taken from Eurostat: statistics explained. https://ec.europa.eu/eurostat/statistics-explained/index.php?title=E-commerce_statistics
3. Commission, E. (2014–2019). Shaping the digital single market. Tratto da European Commission: Digital Single Market Strategy. https://ec.europa.eu/digital-single-market/en/shaping-digital-single-market
4. Durkin, J. (1998). Expert systems: Design and development (1st ed.). Prentice Hall PTR.
5. Ketar, P. S., Shankar, R., & & Banwet, K. D. (2014). Telecom KYC and mobile banking regulation: An exploratory study. Journal of Banking Regulation, 117-128.