“Pengaruh Limbah Peleburan Tembaga Sebagai Substitusi Agregat Halus Dengan Curing Menggunkan Air Laut Ditinjau Dari Kuat Tekan Beton: The Effect of Copper Smelting Waste as a Substitute for Fine Aggregate by Curing Using Sea Water in View of the Compressive Strength of Concrete” (2023) CONCRETE: Construction and Civil Integration Technology, 1(02), pp. 105–112. doi: 10.25139/concrete.v1i02.6945.