Lawanwadeekul, Siwat, Kittisak Samootharak, Wichet Yimlamai, Jakkit Hunyala, and Mattika Bunma. 2016. “Production and characterization of porous insulating fired clay bricks with corn cobs admixture”. Engineering and Applied Science Research 43 (November):4-9. https://ph01.tci-thaijo.org/index.php/easr/article/view/69648.