SUAREZ SOLIS, T. E. . "Leaving green footprints" program to strengthen environmental awareness in secondary education. Revista Iberoamericana de educación, [S. l.], 2021. DOI: 10.31876/ie.vi.156. Disponível em: https://revista-iberoamericana.org/index.php/es/article/view/156. Acesso em: 16 aug. 2026.