Bunyavejchewin, P., and K. Chotisut. “American Foreign Policy Under President Donald Trump: Continuities, Changes and Implications for East Asian Stability”. Thai Journal of East Asian Studies, vol. 23, no. 1, June 2019, pp. 256-84, https://so02.tci-thaijo.org/index.php/easttu/article/view/213463.