Kareem Al-Mamoori, S. ., L. Kareem, S. ., A. Al-Maliki, L. ., & El-Tawil, K. . (2021). Geotechnical Maps for Angle of Internal Friction of An-Najaf Soil-Iraq Using GIS. Wasit Journal of Engineering Sciences, 8(2). https://doi.org/10.31185/ejuow.Vol8.Iss2.166