RILA SEILAWATI; SETYA RAHARJA. School Principal Leadership in Improving Teacher Competence at Tembilahan 1 and Tembilahan 2 Vocational High School, Indragiri Hilir Regency. International Journal of Educational Technology Research, [S. l.], v. 2, n. 4, p. 636–647, 2025. DOI: 10.59890/ijetr.v2i4.266. Disponível em: https://jurnalinternasional.com/index.php/ijetr/article/view/266. Acesso em: 24 jun. 2026.