Viennese Mélange - a toolbox for integration : projects carried out by the Department for Integration and Diversity of the City of Vienna from 2004 to 2020 / media owner and publisher: City of Vienna - Integration and DiversityViennese Mélange - a toolbox for integration : projects carried out by the Department for Integration and Diversity of the City of Vienna from 2004 to 2020 / media owner and publisher: City of Vienna - Integration and Diversity