Prasanti D, Amrullah M. Implementation of Online Learning during the Covid 19 Pandemic at SD Muhammadiyah 2 Sidoarjo: Implementasi Pembelajaran Daring Pada Masa Pandemi Covid 19 Di SD Muhammadiyah 2 Sidoarjo. icecrs [Internet]. 2021 Aug. 5 [cited 2025 Oct. 10];10:25-7. Available from: https://icecrs.umsida.ac.id/index.php/icecrs/article/view/1049