Emmy Febriyani Situmorang, and Elfrida Aritonang. “Implementation of the Code of Ethics and School Administration Within the Frame of Christian Leadership”. Jurnal Mahasiswa: Jurnal Ilmiah Penalaran Dan Penelitian Mahasiswa, Vol. 5, no. 2, June 2023, pp. 335-44, doi:10.51903/jurnalmahasiswa.v5i2.610.