Alhelfia, Labiba M., et al. “P-Wave Sonic Log Predictive Modeling With Optimal Artificial Neural Networks Topology”. Journal of Al-Qadisiyah for Computer Science and Mathematics, vol. 13, no. 3, Oct. 2021, pp. Comp Page 142 – 154, doi:10.29304/jqcm.2021.13.3.855.