الأســود م. ع. أ. . (2025) “The role of comprehensive quality systems in improving job performance (ISO quality standards as an example)”, Al-Qurtas Journal for Human and Applied Sciences, 4(27). Available at: https://alqurtas.alandalus-libya.org.ly/ojs/index.php/qjhar/article/view/1404 (Accessed: 6 November 2026).