Khan, M. I., M. Irfan, M. Aziz, and A. H. Khan. “Geotechnical Characteristics of Effluent Contaminated Cohesive Soils”. Journal of Environmental Engineering and Landscape Management, vol. 25, no. 1, Mar. 2017, pp. 75-82, doi:10.3846/16486897.2016.1210155.