UNESCO Education Database : Pre-primary Education Statistics, 1960-1995

Abstract copyright UK Data Service and data collection copyright owner. UNESCO is a major collector and disseminator of statistical data on education and related subjects. Its...本摘要的版权归英国数据服务中心（UK Data Service）及数据采集项目的版权所有者所有。联合国教育、科学及文化组织（United Nations Educational, Scientific and Cultural Organization, UNESCO）是教育及相关领域统计数据的主要采集与发布机构。其...