Sullivan, R. A. y Ojeda Alba, J. (2010) «Criteria for EFL Course Books’ Vocabulary Selection: Does it have any Practical Consequences?», El G u i n i g u a d a, (19), pp. 197–210. Disponible en: https://ojsspdc.ulpgc.es/ojs/index.php/ElGuiniguada/article/view/431 (Accedido: 5 mayo 2024).