FEBRIANI, I. R. .; AMRULLAH, M. 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, [S. l.], v. 10, 2021. DOI: 10.21070/icecrs20211168. Disponível em: https://icecrs.umsida.ac.id/index.php/icecrs/article/view/1168. Acesso em: 11 oct. 2025.