Malzi, Mohamed Jaouad, Aziz Ettahir, and Saïd Hanchane. “Responsiveness of Residential Natural Gas Demand to Elderly, Urban Population and Density: Evidence from Organization for Economic Co-Operation and Development Countries”. International Journal of Energy Economics and Policy 9, no. 4 (June 3, 2019): 388–395. Accessed December 28, 2024. https://econjournals.net.tr/index.php/ijeep/article/view/7531.