Audi, Marc, and Amjad Ali. “The Role of Environmental Conditions and Purchasing Power Parity in Determining Quality of Life Among Big Asian Cities”. International Journal of Energy Economics and Policy 13, no. 3 (May 17, 2023): 292–305. Accessed November 23, 2024. https://econjournals.com/index.php/ijeep/article/view/13583.