Gositanon, A., S. Rojananan, S. Rojananan, and S. Srimanosaowapak. “The Effect of Spin Cast Parameters on Porosity and Pore Size Distribution in Zinc Alloy”. Engineering and Applied Science Research, vol. 38, no. 4, May 2012, pp. 363-71, https://ph01.tci-thaijo.org/index.php/easr/article/view/1674.