LIU, M.; XU, W. .; RAN, Q. .; LI, Y. . Using Natural Language Processing Technology to Analyze Teachers’ Written Feedback on Chinese Students’ English Essays. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 11, n. 1, p. 1–11, 2015. Disponível em: http://www.ijlter.myres.net/index.php/ijlter/article/view/1087. Acesso em: 17 apr. 2026.