National Opinion Polls National Political Surveys; May 1966
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Abstract copyright UK Data Service and data collection copyright owner. The NOP National Political Surveys were designed principally to ascertain public opinion on political...
本摘要的版权归英国数据服务中心（UK Data Service）及数据采集版权所有者所有。NOP全国政治调查最初主要旨在调研公众在政治领域的舆论……
