BUILD AN EFFICIENT INVESTMENT PORTFOLIO USING THE WILLIAM RATIO (EMPIRICAL STUDY) IN IRAQ STOCK EXCHANGE: BUILD AN EFFICIENT INVESTMENT PORTFOLIO USING THE WILLIAM RATIO (EMPIRICAL STUDY) IN IRAQ STOCK EXCHANGE. IJMRCP. 2020;12(1):1-13. Accessed May 3, 2024. https://jmracpc.uobaghdad.edu.iq/index.php/IJMRCP/article/view/184