Khairal Abd, T.M. et al. 2022. The Effectiveness of Blended Learning During the Covid-19 Pandemic at the High School Level. AL-ISHLAH: Jurnal Pendidikan. 14, 2 (Jun. 2022), 2605–2614. DOI:https://doi.org/10.35445/alishlah.v14i2.1201.