Noaman Al Husseini, D. D. and Haitham al-Dabagh, S. (2022) “Williams’% R ability to test optimal investment decision-making”, Baghdad College of Economic Sciences University Journal (BCESUJ), 67(1), pp. 296–306. Available at: https://ojs.baghdadcollege.edu.iq/index.php/BCESUJ/article/view/111 (Accessed: 5 June 2026).