Soleman, Sadli, Mufti Amir Sultan, Kusnadi, and Nurmaiyasa Marsaoly. 2025. “THE EFFECT OF USING FLY ASH AS A CEMENT SUBSTITUTE ON THE QUALITY OF NICKEL SLAG-BASED PAVING BLOCKS”. International Journal of Research -GRANTHAALAYAH 12 (12):73–79. https://doi.org/10.29121/granthaalayah.v12.i12.2024.5875.