Mohammed, D. A.; Alshkane, Y. M.; Abdalqadir, Z. K. Evaluation of Empirical Equations to Estimate the Mechanical Properties of Sedimentary Rocks Using Ultrasonic Pulse Velocity (UPV). EAJSE 2019, 4 (4), 135-147. https://doi.org/10.23918/eajse.v4i4p135.