Mu’afiqoh, E. B. . “Efforts to Increase Activities and Learning Outcomes During the Covid-19 Pandemic at SD Muhamadiyah 1 Waru: Upaya Meningkatkan Aktivitas Dan Hasil Belajar Di Saat Pandemi Covid-19 Di SD Muhamadiyah 1 Waru”. Proceedings of The ICECRS, vol. 10, Aug. 2021, doi:10.21070/icecrs20211132.