PENGARUH SERVANT LEADERSHIP KEPALA SEKOLAH TERHADAP KINERJA GURU DI SMA NEGERI 1 SIBORONG-BORONG TAHUN PEMBELAJARAN 2025/2026. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 9, n. 2, p. 1408–1417, 2026. DOI: 10.54314/zs6sxv33. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/5978.. Acesso em: 28 apr. 2026.