OLIKO, C.; KABUBO, C. K.; MWERO, J. N. Rice Straw and Eggshell Ash as Partial Replacements of Cement in Concrete . Engineering, Technology & Applied Science Research, Greece, v. 10, n. 6, p. 6481–6487, 2020. DOI: 10.48084/etasr.3893. Disponível em: https://www.etasr.com/index.php/ETASR/article/view/3893. Acesso em: 25 jan. 2022.