EMAN M. JAAFAR, ALI / Z. ALMAYAHI AND AMER/A. LAFTAH. Geotechnical properties calculated from seismic refraction velocity and borehole information for a spillway construction. (Humanities, social and applied sciences) Misan Journal of Academic Studies , v. 20, n. 41, p. 1-29(EN), 30 Dec. 2021.