SYAIFUDIN, H.; DHANA, R. R. The Effectiveness of the Water Additional Ingredient Urea CO(NH2)2 to the Concrete Fc’ 20 MPA on Curing Process. Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan, [S. l.], v. 7, n. 2, p. 171–182, 2022. DOI: 10.30736/cvl.v7i2.892. Disponível em: https://jurnalteknik.unisla.ac.id/index.php/CVL/article/view/892. Acesso em: 3 jul. 2024.