Determination of Elastic Moduli and Geotechnical Parameters of the Upper Soil Layer Using Ultrasonic Waves in Al- Jadiriyah Area - University of Baghdad-Iraq. Iraqi Journal of Science [Internet]. 2022 Jan. 30 [cited 2024 Nov. 22];57(4C):2909-21. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/6278