Heinemann, Birte, Matthias Ehlenz, Sergej Görzen, and Ulrik Schroeder. 2022. “XAPI Made Easy: A Learning Analytics Infrastructure for Interdisciplinary Projects”. International Journal of Online and Biomedical Engineering (iJOE) 18 (14):pp. 99-113. https://doi.org/10.3991/ijoe.v18i14.35079.