ULLAH, K.; ALI, H. 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.v15i4.473. Disponível em: https://econ-environ-geol.org/index.php/ojs/article/view/473. Acesso em: 7 jun. 2025.