KAZEMI, E. The effect of vocabulary size in oral productions on the speaking proficiency of EFL learners. Global Journal of Foreign Language Teaching, [S. l.], v. 7, n. 4, p. 150–154, 2018. DOI: 10.18844/gjflt.v7i4.3003. Disponível em: https://un-pub.eu/ojs/index.php/GJFLT/article/view/3003. Acesso em: 6 may. 2024.