K. AL- Saidy S, Esa Abdul Naby Z. Approximation of Functions by Means of the Modulus. J. Al-Qadisiyah Comp. Sci. Math. [Internet]. 2017 Oct. 1 [cited 2024 Sep. 19];3(2):156-65. Available from: https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/285