NUSEN, P. Development of Self-Learning Package to Enhance Communicative English Listening And Speaking Skills for Thai Soldiers. Journal of Graduate Research, [S. l.], v. 13, n. 1, p. 75–89, 2022. Disponível em: https://so02.tci-thaijo.org/index.php/banditvijai/article/view/251773. Acesso em: 30 apr. 2024.