Trafiksäkerhetsenkäten 1981
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This is the first study in a series of annual surveys on road safety. The study is conducted by Statistics Sweden on behalf of the Traffic Safety Board, which had the overall...
本研究为道路安全年度调查系列中的首项研究，由瑞典统计局（Statistics Sweden）受交通安全局（Traffic Safety Board）委托开展，该局负责整体……
