Strength and Stiffness of a Geopolymer-treated Clayey Soil for Unpaved Roads Huda S. Abdulwahed .; Khalid. R. Mahmood .; Ahmed H. AbdulKareem . Volume 15, Issue 1, June 2021, Page 1-9 10.37650/ijce.2021.172850 Show Article PDF 818.4 K