Abdulkareem, Ahmed Hazim. “Development Models of Artificial Neural Network and Multiple Linear Regression for Predicting Compression Index and Compression Ratio for Soil Compressibility of Ramadi City”. Al-Nahrain Journal for Engineering Sciences, vol. 20, no. 4, Aug. 2017, pp. 924-36, https://nahje.com/index.php/main/article/view/317.