Alsudani MAR, Chachan HA. Expected and Variance for a Single Machine Issue with Linear Decreasing Processing Time Deterioration. Iraqi Journal of Science [Internet]. 2026 Feb. 28 [cited 2026 Jul. 17];67(2):1011-25. Available from: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/13937