UMASABOR, R.; AGBONAYE, A. . I. The Effect of Fly Ash as Partial Replacement of Cement on the Compressive Strength of Concrete. NIPES - Journal of Science and Technology Research, [S. l.], v. 5, n. 4, 2023. DOI: 10.5281/zenodo.10426067. Disponível em: https://journals.nipes.org/index.php/njstr/article/view/792. Acesso em: 19 sep. 2024.