Putra, Raeyen Anggara. “Learning Strategies at Pembelajaran SMA Muhammadiyah 4 Surabaya During Pandemic Covid 19”. Proceedings of The ICECRS 100 (October 10, 2021). Accessed July 3, 2024. https://icecrs.umsida.ac.id/index.php/icecrs/article/view/1316.