“Efforts of SMP Muhammadiyah 5 Reinforcement in Improving Learning Activities During the Covid-19 Pandemic: Upaya SMP Muhammadiyah 5 Tulangan Dalam Meningkatkan Aktivitas Pembelajaran Selama Pandemi Covid-19”. Proceedings of The ICECRS 10 (October 6, 2021). Accessed October 25, 2026. https://icecrs.umsida.ac.id/index.php/icecrs/article/view/1168.