Παρασκευή 23 Ιουλίου 2021

 

The learning gain over one school year among 15-year-olds


  Organisation de Coopération et de Développement Économiques - OCDE (OCDE)

   06/2021



https://www.oecd-ilibrary.org/education/the-learning-gain-over-one-school-year-among-15-year-olds_d99e8c0a-en

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