KAFAIT ULLAH; HUSSAIN ALI. A Framework for Measuring the Sustainability of Energy Systems: A Comparative Analysis of Pakistan, European Union and USA : A Framework for Measuring the Sustainability of Energy Systems: A Comparative Analysis of Pakistan, European Union and USA . International Journal of Economic and Environmental Geology, [S. l.], v. 15, n. 4, p. 33–48, 2024. DOI: 10.46660/ijeeg.v15i4.513. Disponível em: https://econ-environ-geol.org/index.php/ojs/article/view/513. Acesso em: 9 sep. 2025.