HAJDUK, M. The System of Environmental Management as a Tool for Promotional Support of EU Companies Development. Entrepreneurship – Education, [S. l.], v. 2, p. 41–47, 2006. DOI: 10.24917/20833296.2.4. Disponível em: https://p-e.uken.krakow.pl/article/view/669. Acesso em: 14 nov. 2026.