The Influence of School Principals’ Innovative Leadership and Teachers’ Professional Competence on the Work Motivation of Public High School Teachers in Tarutung District. JUPE : Jurnal Pendidikan Mandala, [S. l.], v. 9, n. 2, p. 130–142, 2024. DOI: 10.58258/jupe.v9i2.6856. Disponível em: https://ejournal.mandalanursa.org/index.php/JUPE/article/view/6856. Acesso em: 24 jun. 2026.