Febriani, I. R. ., & Amrullah, M. (2021). 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. https://doi.org/10.21070/icecrs20211168