THE EFFECT OF DIFFERENT DESIGN RATIOS ON THE COMPRESSIVE STRENGTH OF GEOPOLYMER CONCRETE: A PARAMETRIC STUDY USING THE TAGUCHI METHOD. NTU-JET [Internet]. 2023 Dec. 6 [cited 2024 Jul. 3];2(4). Available from: https://journals.ntu.edu.iq/index.php/NTU-JET/article/view/682