NUGROHO, K. A. Challenging the Future with Education. Journal of English and Education (JEE), [S. l.], v. 1, n. 1, p. 74–82, 2007. DOI: 10.20885/jee.v1i1.6436. Disponível em: https://jurnal.uii.ac.id/JEE/article/view/6436. Acesso em: 29 apr. 2024.