ZULYADAINI, Z.; YAMIN, M. Developing Group Investigation Based Student Worksheets. Journal of English Language and Literature (ISSN: 2368-2132), [S. l.], v. 7, n. 3, p. 546–554, 2017. DOI: 10.17722/jell.v7i3.317. Disponível em: https://techmindresearch.org/index.php/jell/article/view/317. Acesso em: 6 dec. 2025.