Qaraman, A.F. and ELBAYOUMI, M. 2025. Synergistic Antibacterial Effects of Saponified Waste Oil and Cetrimonium Chloride (Ctac) in Cement Pastes. Journal of Civil Engineering Frontiers. 6, 02 (Aug. 2025), 51 - 57. DOI:https://doi.org/10.38094/jocef602112.