Synergistic Antibacterial Effects of Saponified Waste Oil and Cetrimonium Chloride (Ctac) in Cement Pastes. Journal of Civil Engineering Frontiers, [S. l.], v. 6, n. 02, p. 51–57, 2025. DOI: 10.38094/jocef602112. Disponível em: https://www.jocivilef.org/index.php/jocef/article/view/112. Acesso em: 29 jan. 2026.