PELTEKOV , Peter. Investigating the Validity of the IELTS Listening Test. Global Journal of English Language Teaching, [S. l.], v. 2, n. 1, p. 9–15, 2022. DOI: 10.20448/gjelt.v2i1.4128. Disponível em: https://www.asianonlinejournals.com/index.php/gjelt/article/view/4128. Acesso em: 9 aug. 2025.