“The Difference Between Offline and Online Learning During The Pandemic at SMP Muhammadiyah 1 Sidoarjo: Perbedaaan Pembelajaran Luring Dan Daring Selama Pandemi Di SMP Muhammadiyah 1 Sidoarjo”. Proceedings of The ICECRS, vol. 10, Oct. 2021, https://doi.org/10.21070/icecrs20211178.