Amrullah, Muhlasin, and Amellya Nur Syahrani. 2021. “Learning Strategies at SMP Muhammadiyah 4 Porong During Covid-19 Pandemic: Strategi Pembelajaran SMP Muhammadiyah 4 Porong Di Tengah Pandemi Covid-19”. Proceedings of The ICECRS 10 (August). https://doi.org/10.21070/icecrs20211126.