Agustin, S. P. ., and M. Amrullah. “Implementation of Discipline Character Education at SMP Muhammadiyah 10 Sidoarjo During The Covid-19 Pandemic: Implementasi Pendidikan Karakter Disiplin Di SMP Muhammadiyah 10 Sidoarjo Dimasa Pandemi Covid-19”. Proceedings of The ICECRS, vol. 10, Oct. 2021, doi:10.21070/icecrs.v10i0.1424.