JABBARIFAR, T. The Importance Of Human Communication Systems And The Teaching Of The English Language. Journal of International Education Research (JIER), [S. l.], v. 10, n. 3, p. 219–228, 2014. DOI: 10.19030/jier.v10i3.8741. Disponível em: https://clutejournals.com/index.php/JIER/article/view/8741. Acesso em: 17 jul. 2024.