Al-Abdul Wahhab, H.I., and G.M.S. Abdullah. 2016. “Prediction of Permanent Deformation of Foamed and Emulsified Sulfur Asphalt Soils Mixes”. The Journal of Engineering Research [TJER] 13 (1):1-21. https://doi.org/10.24200/tjer.vol13iss1pp1-21.