Preprimary education, duration (years)
收藏World Bank Open Data2026-04-18 收录
下载链接：
https://data360.worldbank.org/indicators/WB_WDI_SE_PRE_DURS
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资源简介：
Preprimary duration refers to the number of grades (years) in preprimary school.
提供机构：
World Development Indicators (WDI)
创建时间：
2024-05-30
