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Africa's skill tragedy : does teachers' lack of knowledge lead to low student performance?
Bietenbeck, Jan; Piopiunik, Marc; Wiederhold, Simon - In: Journal of human resources : JHR 53 (2018) 3, pp. 553-578
Persistent link: https://www.econbiz.de/10011898781
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The value of smarter teachers : international evidence on teacher cognitive skills and student performance
Hanushek, Eric Alan; Piopiunik, Marc; Wiederhold, Simon - In: Journal of human resources : JHR 54 (2019) 4, pp. 857-899
Persistent link: https://www.econbiz.de/10012197996