Hamid EY, Osman Abushaba MH. Use of Exponential Holt Model and the Box-Jenkins Methodology in Predicting the Time Series of Cement Production in Sudan. J. Al-Qadisiyah Comp. Sci. Math. [Internet]. 2020 Feb. 19 [cited 2024 Nov. 13];12(1):Math Page 42 – 59. Available from: https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/666