PRAPPHAL, K. English Proficiency of Thai Learners and Directions of English Teaching and Learning in Thailand. Journal of Studies in the English Language, [S. l.], v. 1, p. 6–12, 2003. Disponível em: https://so04.tci-thaijo.org/index.php/jsel/article/view/21840. Acesso em: 1 may. 2024.