Voluntary Environmental Protection Behavior Of Employees – A Case Study Of Manufacturing Companies In Hai Phong City, Vietnam. International Journal of Environmental Sciences, [S. l.], p. 4891–4900, 2025. DOI: 10.64252/cw6ga124. Disponível em: https://theaspd.com/index.php/ijes/article/view/11065.. Acesso em: 20 apr. 2026.