JAYANTA KUMAR DAS. Vocabulary, an Indicator of Language Proficiency: A Perspective from the Review of Literature. Journal of English Language Teaching, [S. l.], v. 60, n. 6, p. 18–24, 2018. Disponível em: https://journals.eltai.in/index.php/jelt/article/view/JELT600606. Acesso em: 19 sep. 2024.