=Volume= {{Volume |number=2676 |storemode=property |wikidataid=Q113542517 |title=Proceedings of the Impact Papers at EC-TEL 2020, co-located with the 15th European Conference on Technology-Enhanced Learning "Addressing global challenges and quality education" |acronym=EC-TEL-Impact 2020 |url=http://ceur-ws.org/Vol-2676/ |date=2020-09-18 |dblp=conf/ectel/2020i |k10plus=1738990117 |urn=urn:nbn:de:0074-1155-8 }}