1. Van Laar , E. , Van Deursen , A. J. , Van Dijk , J. A. , and De Haan , J. 2017. The relation between 21st-century skills and digital skills: A systematic literature review. Computers in human behavior, 72, 577-588.tul . Van Laar, E., Van Deursen, A. J., Van Dijk, J. A., and De Haan, J. 2017. The relation between 21st-century skills and digital skills: A systematic literature review. Computers in human behavior, 72, 577-588.tul.
2. European Commission. 2015. establishing a programme on interoperability solutions and common frameworks for European public administrations businesses and citizens (ISA2 programme) as a means for modernising the public sector. Retrieved May 7 2021 from https://eur-lex.europa.eu/legal-content/EN/TXT/?qid=1449478436536&uri=CELEX:32015D2240. European Commission. 2015. establishing a programme on interoperability solutions and common frameworks for European public administrations businesses and citizens (ISA2 programme) as a means for modernising the public sector. Retrieved May 7 2021 from https://eur-lex.europa.eu/legal-content/EN/TXT/?qid=1449478436536&uri=CELEX:32015D2240.
3. European Commission . 2021. Digital Strategy Retrieved May 7, 2021 from https://digital-strategy.ec.europa.eu/en/library/digital-europe programme-proposed-eu75-billion-funding-2021-2027. European Commission. 2021. Digital Strategy Retrieved May 7, 2021 from https://digital-strategy.ec.europa.eu/en/library/digital-europe programme-proposed-eu75-billion-funding-2021-2027.
4. Improving digital skills for the use of online public information and services
5. Adapting national interoperability frameworks beyond EIF 3.0