PUTRI, F. .; AMRULLAH, M. Strategies at SMP Muhammadiyah 9 Tanggulangin Boarding School in Online and Offline Learning During the Covid-19 Pandemic: Strategi SMP Muhammadiyah 9 Tanggulangin Boarding School dalam Pembelajaran Daring dan Luring dimasa Pandemic Covid-19. Proceedings of The ICECRS, [S. l.], v. 10, 2021. DOI: 10.21070/icecrs20211181. Disponível em: https://icecrs.umsida.ac.id/index.php/icecrs/article/view/1181. Acesso em: 11 oct. 2025.