TY - GEN A1 - Prescher, Thomas A1 - Weimann-Sandig, Nina T1 - Professionalization and Competence Development in Social Services: Designing a Competence-Performance Theory to Overcome Social Inequality Y1 - 2021 UR - https://www.hb.fh-muenster.de/opus4/frontdoor/index/index/docId/14174 ER -