Dinh, H.-Q., & Thanh-Bang Nguyen. (2021). Composition of ground granulated blast-furnace slag and fly ash-based geopolymer activated by sodium silicate and sodium hydroxide solution: Multi-response optimization using Response Surface Methodology. Vietnam Journal of Science, Technology and Engineering, 63(1), 21-29. https://doi.org/10.31276/VJSTE.63(1).21-29