PHOPAYAK, S. Effectiveness of Online Lessons on English Sound System and Pronunciation for University Students. Interdisciplinary Research Review, [S. l.], v. 18, n. 4, 2023. Disponível em: https://ph02.tci-thaijo.org/index.php/jtir/article/view/248150. Acesso em: 16 sep. 2026.