Lin, W.-T., Lin, K.-L. ., Korniejenko, K. ., & Fiala, L. . (2021). Comparative Analysis Between Fly Ash Geopolymer and Reactive Ultra-Fine Fly Ash Geopolymer. International Journal of Engineering and Technology Innovation, 11(3), 161–170. https://doi.org/10.46604/ijeti.2021.7129