Lawanwadeekul, S., Torkittikul, P. ., Mulinta, S. ., Khunyotying, T. ., Tasang, W. ., & Bunma, M. . (2023). Effect of size and amount of lightweight expanded clay aggregate on normal incidence sound absorption coefficient of concrete. Engineering and Applied Science Research, 50(3), 195–201. Retrieved from https://ph01.tci-thaijo.org/index.php/easr/article/view/250823