“The Effect of the COVID-19 Pandemic on Discipline Character Habituation in Students at SD Muhammadiyah 1 Sidoarjo: Efek Pandemi COVID-19 Terhadap Pembiasaan Karakter Disiplin pada Siswa di SD Muhammadiyah 1 Sidoarjo” (2021) Proceedings of The ICECRS, 10. doi:10.21070/icecrs20211150.