Sabo Baba, A., Umar, A. A. ., Abubakar, A. . and Adagba, T. . (2023) “Application of Response Surface Methodology in Predicting and optimizing the properties of Concrete containing Ground Scoria and Metakaolin blended Cement in Concrete”, Journal of Civil Engineering Frontiers, 4(01), pp. 19-26. doi: 10.38094/jocef40269.