“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”, icecrs, vol. 10, Aug. 2021, doi: 10.21070/icecrs20211132.