Oude Groote Beverborg, ArnoudFeldhoff, TobiasMaag Merki, KatharinaRadisch, Falk2022-03-252022-03-252021https://openscience.ub.uni-mainz.de/handle/20.500.12030/6567engCC-BY-4.0https://creativecommons.org/licenses/by/4.0/370 Erziehung370 EducationConcept and design developments in school improvement research : longitudinal, multilevel and mixed methods and their relevance for educational accountabilitySammelband312 Seiten