1. [1] Flexible Manufacturing: Adapting Quickly to Changing Markets and Events on http://emag.directindustry.com/flexible-manufacturing-adapting-quickly-to-changing-markets-and-events/ seen: 15.04.2020
2. [2] Five ways the coronavirus will affect the connectivity and tech industry in 2020 on https://www.businessinsider.com/five-ways-coronavirus-will-affect-the-connectivity-tech-industry-2020, (Business Insider Intelligence 18 Mar 2020, 15:45 o’clock), seen: 15.04.2020
3. [3] What is the future for Industry 4.0 in the post Covid-19 paradigm? on https://www.themanufacturer.com/articles/what-is-the-future-for-industry-4-0-in-the-post-covid-19-paradigm/ seen: 15.04.2020
4. [4] COVID-19 Dashboard by the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University (JHU) on https://www.arcgis.com/apps/opsdashboard/index.html#/bda7594740fd40299423467b48e9ecf6
5. [5] OKTATÁSI PORTÁL on http://edu.graphit.hu/ seen: 15.04.2020