“ANALYSIS OF RETURN AND RISK ACCORDING IN THE INVESTMENT PORTFOLIO STYLE: AN ANALYTICAL STUDY OF A SAMPLE OF IRAQI BANKS IN THE IRAQI STOCK EXCHANGE FOR THE PERIOD (2016-2020)”, Wor.econo. and fin. Bul., vol. 32, pp. 194–202, Mar. 2024, Accessed: Jan. 13, 2026. [Online]. Available: https://scholarexpress.net/index.php/wefb/article/view/4051