The degree of application of total quality management requirements in educational institutions in Hafar Al-Batin from the perspective of educational supervisors. Humanities and Educational Sciences Journal, [S. l.], n. 38, p. 462–487, 2024. DOI: 10.55074/hesj.vi38.1031. Disponível em: http://hesj.org/ojs/index.php/hesj/article/view/1031. Acesso em: 30 may. 2026.