Nelita Ernawati Nababan, et al. “CHRISTIAN-BASED CHARACTER EDUCATION MANAGEMENT IN IMPROVING THE QUALITY OF HIGH SCHOOL EDUCATION”. SOSIOEDUKASI : JURNAL ILMIAH ILMU PENDIDIKAN DAN SOSIAL, vol. 14, no. 3, Aug. 2025, pp. 1332-9, doi:10.36526/sosioedukasi.v14i3.5831.