Dr. K. Prabriputaioong’i, D. K. P. “Behaviour of Concretes Subjected to High Temperature a) Fire b) Refractory”. Engineering and Applied Science Research, vol. 1, no. 1, Apr. 2013, pp. 33-48, https://ph01.tci-thaijo.org/index.php/easr/article/view/8098.