ELKHEBU, A. G.; ZAINORABIDIN, A.; BUJANG, H. B. K.; BAKAR, I. H.; ABDELJOUAD, L. A.; DHEYAB, W. KHALEF. Alkaline activation of clayey soil using Potassium hydroxide & Fly ash. International Journal of Integrated Engineering, v. 10, n. 9, 1 Jan. 2019.