1. China Daily. (2019). China, ROK, Japan agree to deepen cooperation in next decade. https://www.chinadaily.com.cn/a/201912/26/ WS5e041334a310cf3e35580b70.html. Accessed 30 Jan 2021.
2. World Bank. (2020). GDP ranking in 2019. https://databank.worldbank.org/data/download/GDP.pdf. Accessed 30 Jan 2021.
3. Trilateral Cooperation Secretariat. (2019). Trilateral Cooperation Vision for the Next Decade. https://tcs-asia.org/en/data/documents.php?pNo=2. Accessed 30 Jan 2021.
4. Huntington, S. (1968). Political order in changing societies. New Haven: Yale University Press.
5. Ding, Y. (2008). East Asian trio. Beijing Review, 51(52), 10-11.