Khawla H. H. Shubber, A.P.D. and Ali S. M. Alkizwini, E. (2018) “Using Waste Asphalt Concrete (WAC) for Improving Poorly sandy Graded (PSG) Subgrade Soil”, International Journal of Engineering & Technology, 7(4.20), pp. 472–476. doi:10.14419/ijet.v7i4.20.26245.