Santos, Sandra, F L Viana, Iolanda  Ribeiro, G  Prieto, Sara  Brandão, and Irene  Cadime. ?Development Of Listening Comprehension Tests With Narrative And Expository Texts For Portuguese Students?. The Spanish Journal Of Psychology 18, no. E5. The Spanish Journal Of Psychology  (2015): 1-7. doi:10.1017/sjp.2015.7.

Santos, Sandra, F L Viana, Iolanda  Ribeiro, G  Prieto, Sara  Brandão, and Irene  Cadime. ?Development Of Listening Comprehension Tests With Narrative And Expository Texts For Portuguese Students?. The Spanish Journal Of Psychology 18. The Spanish Journal Of Psychology  (2015). doi:10.1017/sjp.2015.7.