ميثم ربيع هادي. 2024. “The Form of Reducing the Efficient Shadow Different Assumptions about Short Sales and Lending and Borrowing Risk-Free”. Iraqi Journal for Administrative Sciences 7 (30). كربلاء، جمهورية العراق:39-55. https://mail.journals.uokerbala.edu.iq/index.php/ijas/article/view/1762.