سمير كامل الخطيب (2024) “Applying Crosby’s constants to improve quality in Iraqi organizations”, Iraqi Journal for Administrative Sciences. كربلاء، جمهورية العراق, 4(14), pp. 71–100. Available at: https://mail.journals.uokerbala.edu.iq/index.php/ijas/article/view/1652 (Accessed: 19 January 2025).