Schulz-Zander, R., & Eickelmann, B. (2008). On The Recording Of School Development Processes In The Field Of Digital Media. Methodological Conception Of A Case Study Investigation As A Follow-Up To The German Iea Study Sites M2. MediaEducation: Journal for Theory and Practice of Media Education, 14(Qualitative Forschung), 1–22. https://doi.org/10.21240/mpaed/14/2008.01.31.X