JAYA, Indra; APRISON, Wedra. High School Teachers’ Performance in Term of Transformational Leadership and Principle Supervision Competencies. Jurnal Educative: Journal of Educational Studies, [S. l.], v. 6, n. 2, p. 167–177, 2021. DOI: 10.30983/educative.v6i2.4791. Disponível em: https://ejournal.uinbukittinggi.ac.id/index.php/educative/article/view/4791. Acesso em: 16 mar. 2026.