Balaus Custódio, P. «The Importance of New Didactic Materials in Teaching Portuguese to Erasmus Students +. Some Practices in Course at Coimbra’s College of Education - Polytechnic Institute». DEDiCA Revista De Educação E Humanidades (dreh), n.º 14, septiembre de 2018, pp. 75-86, doi:10.30827/dreh.v0i14.7499.