Lawanwadeekul S, Torkittikul P, Mulinta S, Khunyotying T, Tasang W, Bunma M. Effect of size and amount of lightweight expanded clay aggregate on normal incidence sound absorption coefficient of concrete. Eng Appl Sci Res [Internet]. 2023 May 3 [cited 2024 May 20];50(3):195-201. Available from: https://ph01.tci-thaijo.org/index.php/easr/article/view/250823