Results 251 to 259 of about 209,534 (259)
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Grade retention and unobserved heterogeneity

Quantitative Economics, 2016
Jean-Marc Robin, Marion Gousse
exaly  

Learning Disability, School Achievement, and Grade Retention among Children with Cleft: A Two-Center Study

Cleft Palate-Craniofacial Journal, 1998
Hillary L Broder   +2 more
exaly  

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