Ngo , T. , Tsui , W.H.K. and Nguyen , H. 2024. Aviation Pollution, Tourism, and Economic Development: A Study of the EKC Hypothesis at the Regional Level. Economy of Regions. 20, 3 (Sep. 2024), 718–731. DOI:https://doi.org/10.17059/ekon.reg.2024-3-8.