联合国教科文组织:Covid-19对学校和学习成绩的影响报告(英文版)(53页)
Pandemic-relateddisruptionstoschoolingandimpactsonlearningproficiencyindicators:AfocusontheearlygradesMarch2021UNESCOTheconstitutionoftheUnitedNationsEducational,ScientificandCulturalOrganization(UNESCO)wasadoptedby20countriesattheLondonConferenceinNovember1945andenteredintoeffecton4November1946.The...
2023-11-05
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