Srisukchayakun, A., S. Suphaphol, C. Chaipinit, and P. Chuenchit. “Political Economy in Determining the price of Gold in Thailand form 1997-2017”. Journal of the Association of Researchers, vol. 26, no. 1, May 2021, pp. 337-58, https://so04.tci-thaijo.org/index.php/jar/article/view/247063.