2024-04-102024-04-102020https://otos.stat.fi/handle/123456789/34812enCC BY 4.0business enterprisescommunication networkscommunications engineeringcomputersdata protectiondata securityelectronic commerceinformation societyinformation technologyinternetmobile phonesUse of information technology in enterprises 2020Tietotekniikan käyttö yrityksissä 2020Användning av datateknik i företag 2020URN:NBN:fi-fe20230920133950fulltext