A Summary on the Use of Fly Ash as a Partial Replacement Material for Cement in Concrete. UKH Journal of Science and Engineering, [S. l.], v. 5, n. 2, p. 72–80, 2021. DOI: 10.25079/ukhjse.v5n2y2021.pp72-80. Disponível em: https://journals.ukh.edu.krd/index.php/ukhjse/article/view/397.. Acesso em: 2 may. 2024.