SIFO 1989: Bilavgifter i storstäderna
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The Swedish Institute of Public Opinion Research (SIFO) carried out this survey at the request of the Stockholm Chamber of Commerce. The purpose of the survey is to examine...
瑞典民意调查研究所（Swedish Institute of Public Opinion Research，SIFO）受斯德哥尔摩商会委托开展了本次调查。本次调查旨在探究……
