SYAIFUDIN, M. OPEN EDUCATIONAL RESOURCES. IJET (Indonesian Journal of English Teaching), [S. l.], v. 5, n. 1, p. 41–54, 2016. DOI: 10.15642/ijet2.2016.5.1.41-54. Disponível em: https://jurnalftk.uinsby.ac.id/index.php/IJET/article/view/70. Acesso em: 7 may. 2024.