O.Karkush, Mahdi, and Amer G.Jihad. “Impacts of Kerosene Contamination on the Geotechnical Characteristics of Cohesive Soil”. International Journal of Engineering & Technology, vol. 7, no. 4, Apr. 2019, pp. 5444-8, https://doi.org/10.14419/ijet.v7i4.24926.