Gaewdang, T., N. Wongcharoen, A. Nopparuchikun, T. Wongcharoen, and C. Poo-Rakkiat. “Fabrication and Characterization of Heterojunction for CdS Thin Films and CuAlO<sub>2</sub> Ceramic Pill Substrate”. Journal of Metals, Materials and Minerals 22, no. 2 (December 23, 2012). Accessed December 6, 2021. http://jmmm.material.chula.ac.th/index.php/jmmm/article/view/57.