Dally, D., K. Kurhayadi, Y. Rohayati, and S. Kazemian. “Personal Carbon Trading, Carbon-Knowledge Management and Their Influence On Environmental Sustainability In Thailand”. International Journal of Energy Economics and Policy, vol. 10, no. 6, Oct. 2020, pp. 609-16, https://www.econjournals.com/index.php/ijeep/article/view/10617.