Mahmood, H., Alkhateeb, T. T. Y., Al-Qahtani, M. M. Z., Allam, Z., Ahmad, N., & Furqan, M. (2020). Urbanization, Oil Price and Pollution in Saudi Arabia. International Journal of Energy Economics and Policy, 10(2), 477–482. Retrieved from https://mail.econjournals.com/index.php/ijeep/article/view/8914