Ahmad, Syamsul Bahri, Rita Irmawaty, Sumarni Hamid Aly, and A. Amiruddin. 2022. “Performance of Fly Ash Concrete With Nickel Slag Fine Aggregate in the Marine Environment”. Civil Engineering Journal 8 (12):2803-3814. https://doi.org/10.28991/CEJ-2022-08-12-010.