Bhay, E.S. and Mahdi, S.S. 2023. Trigonometric Approximation and 2π-Periodic Neural Network Approximation. Journal of Al-Qadisiyah for Computer Science and Mathematics. 15, 2 (Sep. 2023), Math Page 118–131. DOI:https://doi.org/10.29304/jqcm.2023.15.2.1254.