DURBIN, Paul T. Sustainable Activism, The Center for Energy and Environmental Policy, and Experimental Learning. Problemy Ekorozwoju, [S. l.], v. 4, n. 1, p. 15–32, 2009. Disponível em: https://ph.pollub.pl/index.php/preko/article/view/4708. Acesso em: 22 jul. 2024.