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Percent of children who are learning-poor, by country groups and World Bank lending status. World Bank. (2019). Ending Learning Poverty : What Will It Take?. World Bank, Washington, DC. World Bank. <ref>World Bank. (2019). Ending Learning Poverty : What Will It Take?. World Bank, Washington, DC. World Bank. https://openknowledge.worldbank.org/handle/10986/32553 License: CC BY 3.0 IGO. </ref>