Gaewdang, N., and T. Gaewdang. “Fabrication of CuInSe2 Single Crystals from Melt Growth by Directional Freezing Method”. CURRENT APPLIED SCIENCE AND TECHNOLOGY, vol. 1, no. 1, Mar. 2018, pp. 46-50, https://li01.tci-thaijo.org/index.php/cast/article/view/153100.