صلاح مهدي الكواز (2024) “A proposed framework for improving product value from the perspective of the performance-based cost approach”, Iraqi Journal for Administrative Sciences. كربلاء، جمهورية العراق, 13(53), pp. 170–152. Available at: https://mail.journals.uokerbala.edu.iq/index.php/ijas/article/view/2578 (Accessed: 22 February 2025).