Fernández Portela, J. (2017). THE FIELD EXIT AS A TEACHING RESOURCE TO KNOW THE GEOGRAPHICAL SPACE: THE CASE OF THE CITY OF VALLADOLID AND SORIA. Didáctica Geográfica, (18). Recuperado a partir de https://didacticageografica.age-geografia.es/index.php/didacticageografica/article/view/395