N. S. . Jamalulail and N. . Salleh, “Comprehensive Review of 3D Concrete Printing by Using Ground Granulated Blast-Furnace Slag”, rtcebe, vol. 2, no. 1, pp. 800–807, Jun. 2021, Accessed: Aug. 15, 2026. [Online]. Available: https://periodical.uthm.edu.my/index.php/rtcebe/article/view/1560