ifo Education Survey (2021) - SUF ifo Bildungsbarometer (2021) - SUF
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The ifo Education Survey is an annual representative public opinion poll which surveys the adult German population since 2014. The ifo Education Survey covers a wide range of...
ifo教育调查（ifo Education Survey）是一项自2014年起面向德国成年人口开展的全国代表性年度民意调查。该调查涵盖广泛的……
