Harahap, Ahmad Hamas Sorimatua, Sumargo, and Nursyafril. “Increased Durability of Concrete Against High Temperatures Due to Fire With Ground Granulated Blast Furnace Slag”. Potensi: Jurnal Sipil Politeknik 23, no. 1 (April 30, 2021): 11-15. Accessed April 24, 2024. https://jurnal.polban.ac.id/ojs-3.1.2/potensi/article/view/2546.