ZHIYONG, Dong; JUNLIANG, Hu. Understanding, Interpreting and Answering the Question of What Is Being Properly. International Journal for Innovation Education and Research, Dhaka, Bangladesh, v. 2, n. 9, p. 32–40, 2014. DOI: 10.31686/ijier.vol2.iss9.235. Disponível em: https://scholarsjournal.net/index.php/ijier/article/view/235. Acesso em: 9 jul. 2025.