Malzi MJ, Ettahir A, Hanchane S. Responsiveness of Residential Natural Gas Demand to Elderly, Urban Population and Density: Evidence from Organization for Economic Co-operation and Development Countries. IJEEP [Internet]. 2019 Jun. 3 [cited 2024 Dec. 22];9(4):388-95. Available from: https://econjournals.com/index.php/ijeep/article/view/7531