Ambrose, E. E. ., Okafor, F. O. ., & Onyia, M. E. . (2021). Scheffe’s models for optimization of tensile and flexural strength of recycled ceramic tile aggregate concrete. Engineering and Applied Science Research, 48(5), 497–508. Retrieved from https://ph01.tci-thaijo.org/index.php/easr/article/view/243166