Assessing Environmental Efficiency in High-Income Nations: A Panel Data Approach Using DEA and Sustainability Indicators. Journal of Asian Development Studies, [S. l.], v. 15, n. 03, p. 1–19, 2026. Disponível em: https://www.poverty.com.pk/index.php/Journal/article/view/1772. Acesso em: 25 jul. 2026.