YANG, Qianwei. Research on the Impact of Energy Efficiency on Firm Performance Based on the Mediating Effect of the Level of Green Innovation. Journal of Education, Humanities and Social Sciences, [S. l.], v. 58, p. 110–119, 2025. DOI: 10.54097/agc0c627. Disponível em: http://ehssdata.org/index.php/ojs/article/view/20. Acesso em: 22 oct. 2026.