Idrus, M., S. Gusty, and M. Chaerul. “The Effect of Using Iron Ore Sediment Waste As a Substitute for Fine Aggregate on Concrete Characteristics”. ASTONJADRO, vol. 14, no. 4, Dec. 2025, pp. 1067-73, doi:10.32832/astonjadro.v14i4.18963.