González-Carmona, E. “Environmental Education in the Metropolitan Area of Toluca: Two Concerning the Metropolitan Area School of Toluca Valley, 2011”. Revista Latinoamericana de Recursos Naturales 9, no. 1 (January 1, 2013): 75-81. Accessed November 7, 2026. https://revista.itson.edu.mx/index.php/rlrn/article/view/214.