M. Schwaiger, “Europe Needs to Integrate Immersive Learning Quickly at All Education Levels – But How? What to Learn From 25 EU Projects in This Field”, REI, vol. 14, no. Spec.Iss, pp. 63–85, Aug. 2021, doi: 10.18690/rei.14.Spec.Iss.63-85.2021.