NEAMAN, Alexander; MARIÓ, Andrés. New focus of environmental education programs. JNRD - Journal of Natural Resources and Development, [S. l.], v. 3, p. 121–122, 2013. DOI: 10.5027/jnrd.v3i0.11. Disponível em: https://journals.ub.uni-koeln.de/index.php/JNRD/article/view/672. Acesso em: 5 may. 2024.