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              Pötzschke, S. & Braun, M. (2017) Migrant sampling using facebook advertisements: A case study of polish migrants in four European countries. Social Science Computer Review, 35(5), 633-653. https://doi.org/10.1177/08944 39316
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              Pötzschke, S. & Braun, M. (2017). Migrant sampling using Facebook advertisements: a case study of Polish migrants in four European countries. Social Science Computer Review, 35(5), 633-653.
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              Pötzschke, S. & M. Braun (2017). Migrant Sampling Using Facebook Advertisements: A Case Study of Polish Migrants in Four European Countries. Social Science Computer Review, 35(5), 633-653.
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              Pötzschke, S., & Braun, M. (2017). Migrant Sampling Using Facebook Advertisements: A Case Study of Polish Migrants in Four European Countries. Social Science Computer Review, 35(5), 633-653. doi:10.1177/0894439316666262
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              Pötzschke, S., & Braun, M. (2017). Migrant Sampling Using Facebook Advertisements: A Case Study of Polish Migrants in Four European Countries. Social Science Computer Review, 35(5), 633-653. https: //doi.org/10.1177/0894439316666262
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              Pötzschke, S., & Braun, M. (2017). Migrant sampling us- ing Facebook advertisements: A case study of Polish migrants in four European countries. Social Science Computer Review, 35(5), 633-653. https://doi.org/ 10.1177/0894439316666262
                 (xsd:string)
              
            
              Pötzschke, S., & Braun, M. (2017). Migrant sampling using Facebook advertisements: A case study of Polish migrants in four European countries. Social Science Computer Review, 35(5), 633-653.
                 (xsd:string)
              
            
              Pötzschke, S., & Braun, M. (2017). Migrant sampling using Facebook advertisements: A case study of polish migrants in four European countries. Social Science Computer Review, 35(5), 633-653. https://doi.org/10.1177/0894439316666262
                 (xsd:string)
              
            
              Pötzschke, S., & Braun, M. (2017). Migrant sampling using facebook advertisements: A case study of polish migrants in four european countries. Social Science Computer Review, 35(5), 633 653.
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              Pötzschke, Steffen; Braun, Michael 2016: Migrant Sampling Using Facebook Advertisements. In: Social Science Computer Review 35;5: 633-653.
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              Zhang, B., M. Mildenberger, P. D. Howe, J. Marlon, S. A. Rosenthal & A. Leiserowitz (2018). Quota sampling using Facebook advertisements. Political Science Research and Methods, 1-7.
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              Pötzschke, S., Braun, M., Howe, P. D., Marlon, J., Rosenthal, S. A., Leiserowitz, A. (2017). Migrant sampling us- ing Facebook advertisements: A case study of Polish migrants in four European countries. Political Science Research and Methods, 35(5), pp. 633-653.
                 (xsd:string)
              
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