AMIN, I.; TANJUNG, H. The role of self-efficacy in mediating the effects of transformational leadership and teacher competence on teacher performance at SMP Negeri 2 Dolok Masihul. Economic: Journal Economic and Business, [S. l.], v. 5, n. 3, p. 505–515, 2026. DOI: 10.56495/ejeb.v5i3.1669. Disponível em: https://jurnal.larisma.or.id/index.php/EJEB/article/view/1669. Acesso em: 14 aug. 2026.