ARIAS, K.; COLMENAREZ, M. Energy efficiency and environmental productivity: Analysis of Ecuadorian oil companies. ENERLAC. Revista de energía de Latinoamérica y el Caribe, [S. l.], v. 7, n. 2, 2024. Disponível em: https://enerlac.olade.org/index.php/ENERLAC/article/view/258. Acesso em: 23 nov. 2024.