FITRIANI, N. I.; HARJITO; GHUFRON ABDULLAH. Assertive Leadership Strategies of School Principals in Enhancing Teachers’ Professional Competence in Banjarharjo Junior High Schools. ARMADA : Jurnal Penelitian Multidisiplin, [S. l.], v. 4, n. 8, p. 4517–4526, 2026. Disponível em: https://ejournal.45mataram.ac.id/index.php/armada/article/view/3665. Acesso em: 10 sep. 2026.