Thi, H. D., Vu Thi, K. A., Phuong, D. L., Thu, V. P., & Minh, C. H. T. (2020). Impact of Environmental Tax Collection on CO2 Emission in Vietnam. International Journal of Energy Economics and Policy, 10(6), 299–304. Retrieved from https://mail.econjournals.com/index.php/ijeep/article/view/10153