Noorwirdawati Ali (2025) “3D Concrete Printing with Industrial Waste: Effects of GGBS and Spent Catalyst on Fresh and Hardened Properties”, International Journal of Integrated Engineering, 17(3), pp. 68–76. Available at: https://journal.uthm.edu.my/index.php/ijie/article/view/20607 (Accessed: 7 August 2026).