Thufail Afif Abdullah, Nurul Fatimah Nur Mukharomah, and Nila Fauzia Yusfa, “Student Character Building Model at Muhammadiyyah Al-Kautsar High School PK (Program Khusus) Kartasura”, SUJIEM, vol. 1, no. 02, pp. 127–134, Dec. 2023.