LUBIS, R.; SARI, Y. Y. EVALUATION OF THE ROLE OF PRINCIPAL LEADERSHIP IN IMPROVING TEACHER MOTIVATION. JKP | Jurnal Kepemimpinan Pendidikan, [S. l.], v. 1, n. 1, p. 35–50, 2018. DOI: 10.22236/jkpuhamka.v1i1.3426. Disponível em: https://journal.uhamka.ac.id/index.php/jkp/article/view/3426. Acesso em: 18 jul. 2024.