Laumer, SvenSvenLaumerMaier, ChristianChristianMaier0000-0001-8328-24932024-04-222024-04-2220231066-2243https://fis.uni-bamberg.de/handle/uniba/94819engICT-based training and education in volunteer sports communities : an action design research project with soccer referees during the COVID-19 pandemicarticle10.1108/intr-10-2021-0714