“Simple Regression Analysis by Using Linear Programming Technique and Illustration of Absolute Residuals Method With Another Estimation Techniques”. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ) 27, no. 1 (October 22, 2021): 7–24. Accessed August 12, 2026. https://jrucs.iq/index.php/JAUCS/article/view/398.