عبد القادر خ. ر. . Principles, concepts and, requirements of total quality management according to model standards and the impact of their application in Libyan universities. Al-Qurtas Journal for Human and Applied Sciences, [S. l.], v. 7, n. 28, 2026. DOI: 10.66045/alqurtas.v7i28.1784. Disponível em: https://alqurtas.alandalus-libya.org.ly/ojs/index.php/qjhar/article/view/1784. Acesso em: 6 nov. 2026.