Mujahidin, A., and I. Rindaningsih. “Shaping Student Discipline Characters Through the Role of Teachers at Muhammadiyah 2 Sidoarjo Elementary School”. Journal of Islamic and Muhammadiyah Studies, Vol. 4, Feb. 2023, p. 10.21070/jims.v4i0.1550, doi:10.21070/jims.v4i0.1550.