Riyadh, H. A., M. A. Al-Shmam, H. H. Huang, B. Gunawan, and S. A. Alfaiza. “The Analysis of Green Accounting Cost Impact on Corporations Financial Performance”. International Journal of Energy Economics and Policy, vol. 10, no. 6, Oct. 2020, pp. 421-6, https://www.econjournals.com/index.php/ijeep/article/view/9238.