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European Commission, Brussels (2014): Flash Eurobarometer 359 (Retailers´ Attitudes Towards Cross-border Trade and Consumer Protection, wave 3). GESIS Data Archive, Cologne. ZA5794 Data file Version 1.0.0, doi:10.4232/1.11910
(en)
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European Commission, Brussels (2014): Flash Eurobarometer 359 (Retailers´ Attitudes Towards Cross-border Trade and Consumer Protection, wave 3). GESIS Datenarchiv, Köln. ZA5794 Datenfile Version 1.0.0, doi:10.4232/1.11910
(de)
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