ZHANG, S. Voluntary Environmental Regulations and Firm Innovation in China. Asian Journal of Economics and Empirical Research, [S. l.], v. 7, n. 2, p. 171–177, 2020. DOI: 10.20448/journal.501.2020.72.171.177. Disponível em: http://www.asianonlinejournals.com/index.php/AJEER/article/view/2026. Acesso em: 6 may. 2024.