Kurniadi, Anggi Putri, et al. “Determinants of Biofuels Production and Consumption, Green Economic Growth and Environmental Degradation in 6 Asia Pacific Countries: A Simultaneous Panel Model Approach”. International Journal of Energy Economics and Policy, vol. 11, no. 5, Aug. 2021, pp. 460-71, https://econjournals.net.tr/index.php/ijeep/article/view/11563.