Mokhalad Hamzah Jaddoa, and Anwar Mustafa Hasan. “Measuring Return and Risk of the Investment Portfolio for Agricultural Sector Companies Analytical Research in Iraq Stock Exchange”. American Journal of Language, Literacy and Learning in STEM Education (2993-2769) 2, no. 4 (April 28, 2024): 514–525. Accessed December 22, 2024. http://grnjournal.us/index.php/STEM/article/view/4551.