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Instructional time loss in developing countries : concepts, measurement, and implications
Abadzi, Helen - In: The World Bank research observer 24 (2009) 2, pp. 267-290
Persistent link: https://www.econbiz.de/10003933528
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The developing world is poorer than we thought, but no less successful in the fight against poverty
Chen, Shaohua; Ravallion, Martin - In: The quarterly journal of economics 125 (2010) 4, pp. 1577-1625
Persistent link: https://www.econbiz.de/10009309122
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How have the world's poorest fared since the early 1980s?
Chen, Shaohua; Ravallion, Martin - In: The World Bank research observer 19 (2004) 2, pp. 141-169
Persistent link: https://www.econbiz.de/10002209817