Swiss Pilot ISSP 2017 Social networks

The Swiss PILOT ISSP 2017 SOCIAL NETWORKS survey is the pretest survey of the 2017 version of the International Social Survey Program (ISSP; http://www.issp.org) about ‘Social...瑞士PILOT ISSP 2017社交网络调查是2017版国际社会调查项目（International Social Survey Program，ISSP；http://www.issp.org）针对"社会……"所开展的预测试调查。