NWANKWO, O. C. The Relevance Of Sustainable Environmental Education For National Stability In Nigeria. Journal of Research in Education and Society (JRES) , [S. l.], v. 1, n. 2&3, p. 19–24, 2010. Disponível em: http://icidr.org.ng/index.php/Jres/article/view/1155. Acesso em: 19 sep. 2024.