ORTEGA, Digna; CONTRERAS, José. Determinants of Energy Efficiency: Evidence from the Brics Group (1990-2018). Semestre Económico, [S. l.], v. 24, n. 57, p. 282–319, 2022. DOI: 10.22395/seec.v24n57a14. Disponível em: https://revistas.udem.edu.co/index.php/economico/article/view/4114. Acesso em: 7 may. 2026.