• openAccess   The COVID-19 pandemic’s impact on 9th grade students’ mathematics achievement 

      Moliner Miravet, Lidón; Alegre, Francisco; Lorenzo, Gil Eurasian Society of Educational Research (2022)
      In this research, the influence of the Coronavirus disease (COVID-19) pandemic on 9th grade students’ mathematics achievement is analyzed through quantitative and qualitative methods. A posttest only with control group ...