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              Sienkiewicz, J. J., Hapke, P., & Faist, T. (2016). Social comparisons in migration and ine- quality studies: A literature review and evidence from a pilot study (SFB 882 Working Pa- per No. 55). Bielefeld: DFG Research Center (SFB) 882 From Heterogeneities to Inequali- ties, Bielefeld University.
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              Sienkiewicz, J. J., Hapke, P., & Faist, T. (2016). Social comparisons in migration and inequality studies: A literature review and evidence from a pilot study (SFB 882 Working Paper Series, 55). Bielefeld: DFG Research Center (SFB). Retrieved from https://pub. uni-bielefeld.de/download/2900936/2900937
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