Yehya, Mozahim. “Using SURE Method for Estimating Seemingly Unrelated Regression Equations Systems for Sampling Registered Companies in the Baghdad Stock Exchange’s for the Period (1986-2000)”. TANMIYAT AL-RAFIDAIN 30, no. 92 (December 1, 2008): 224–238. Accessed September 10, 2025. https://edusj.uomosul.edu.iq/index.php/tanmiyat/article/view/29937.