MARTÍNEZ-VALDÉS, Valentina; ARELLANO-GÁMEZ, Lucrecia. Active Urban as places for non-formal environmental education. Revista Eduscientia. Divulgación de la ciencia educativa, [S. l.], v. 1, n. 1, p. 109–119, 2018. Disponível em: https://eduscientia.com/index.php/journal/article/view/16. Acesso em: 3 jun. 2026.