Habib Al- Sharoot, Mohammed, and Emaan Yousif Abdoon. 2017. “Prediction by Using Spectral Analysis and Artificial Neural Networks Methodologies: Comparison Study”. Journal of Al-Qadisiyah for Computer Science and Mathematics 9 (2):Stat Page 17 - 33. https://doi.org/10.29304/jqcm.2017.9.2.326.