Manuel de Monteverde y Bello; precursor in environmental studies and pioneer of environmental education. Monteverdia, [S. l.], v. 1, n. 1, p. 10–18, 2008. Disponível em: https://monteverdia.reduc.edu.cu/index.php/monteverdia/article/view/3. Acesso em: 5 dec. 2025.