%0 Journal Article %A Parra, María Luisa %T Rebeca Barriga Villanueva (ed.). Entre paradojas: A 50 años de los libros de texto gratuitos %D 2014 %J Spanish in Context %V 11 %N 2 %P 297-305 %@ 1571-0718 %R https://doi.org/10.1075/sic.11.2.09mar %I John Benjamins %X %U https://www.jbe-platform.com/content/journals/10.1075/sic.11.2.09mar