Siahaan, Amiruddin, Aswaruddin Aswaruddin, Maulidayan Maulidayan, Ahmad Zaki, Novita Sari, and Arief Aulia Rahman. 2023. “Principal Leadership Ethics As A Role Model in High School”. AL-ISHLAH: Jurnal Pendidikan 15 (3):2834-45. https://doi.org/10.35445/alishlah.v15i3.1563.