SOMSUNDRAM, K. Study of Lev Vygotsky’s approach will improve students speaking ability in form 2. Journal of Valartamil, [S. l.], v. 4, n. 2, p. 26–28, 2023. DOI: 10.37134/jvt.vol4.2.6.2024. Disponível em: https://ojs.upsi.edu.my/index.php/JTS/article/view/9482. Acesso em: 18 may. 2024.