Schäfer, Mirko Tobias2020-06-062020-06-06201642522http://dx.doi.org/10.1007/s10606-016-9255-8https://dl.eusset.eu/handle/20.500.12015/3825Challenging Citizenship: Social Media and Big DataText/Journal Article10.1007/s10606-016-9255-81573-7551