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. CONCRETE: Construction and Civil Integration Technology, [S. l.], v. 1, n. 02, p. 105–112, 2023. DOI: 10.25139/concrete.v1i02.6945. Disponível em: https://ejournal.unitomo.ac.id/index.php/concrete/article/view/6945. Acesso em: 16 jun. 2026.