“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” (2021) Proceedings of The ICECRS, 10. doi:10.21070/icecrs20211132.