Mitlif RJ. Computation the Optimal Solution of Octagonal Fuzzy Numbers. J. Al-Qadisiyah Comp. Sci. Math. [Internet]. 2021 Jan. 8 [cited 2024 Nov. 21];12(4):Math Page 71– 78. Available from: https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/727