Azman, A. A., and S. . Kumar. “ASEAN’s Principled Pragmatism and the Evolving Normative Security Strategy on the South China Sea”. AEI Insights, vol. 4, no. 1, Sept. 2021, pp. 33-48, http://adum.um.edu.my/index.php/AEIINSIGHTS/article/view/31657.