Prasyanthi, D. ., S. ., and K. M. . Aminuddin. “Sorptivity Analysis of Lightweight Concrete Based on Fly Ash and Bottom Ash”. International Journal of Membrane Science and Technology, vol. 10, no. 3, Sept. 2023, pp. 2173-86, doi:10.15379/ijmst.v10i3.1930.