Calvano, Gabriella. “Le ‘Aule Verdi’ Per Educare all’Ambiente E Intercultura: Uno Studio Di Caso”. European Journal of Sustainable Development 3, no. 1 (February 1, 2014): 57. Accessed April 23, 2024. http://ecsdev.org/ojs/index.php/ejsd/article/view/111.