Harymawan, I., F. K. G. Putra, T. D. K. Agni, and K. A. Kamarudin. ‚ÄúSustainability Report Practices in Indonesia: Context, Policy, and Readability‚ÄĚ. International Journal of Energy Economics and Policy, vol. 10, no. 3, Mar. 2020, pp. 438-43, https://econjournals.com/index.php/ijeep/article/view/8979.