LI, Jianying. A Study on Ecological College English Teaching. International Journal for Innovation Education and Research, Dhaka, Bangladesh, v. 2, n. 12, p. 113–119, 2014. DOI: 10.31686/ijier.vol2.iss12.290. Disponível em: https://scholarsjournal.net/index.php/ijier/article/view/290.. Acesso em: 3 jul. 2024.