NAMIROTUL AROFAT LUBIS; INOM NASUTION. Islamic Values–Based Educational Leadership in Improving Teacher Performance at Al-Hidayah Senior High School, Medan. Edumaspul: Jurnal Pendidikan, [S. l.], v. 10, n. 1, p. 552–562, 2026. Disponível em: http://jurnal2.unimen.ac.id/index.php/edumaspul/article/view/299. Acesso em: 22 sep. 2026.