Elvianasti, Mega, Festiyed Festiyed, Asrizal Asrizal, Desnita Desnita, and Rosi Feirina Ritonga. 2022. “Effect Size of Blended Learning Model in Improving Students’ Science Competence”. Jurnal Kependidikan 8 (1):162-69. https://doi.org/10.33394/jk.v8i1.4449.