DR. BALASUBRAMANI R, A. S. N. , A. P. K. N. C. Survey on Pre-Processing Techniques for Text Mining. International Journal of Engineering and Computer Science, india, v. 5, n. 6, 2018. Disponível em: http://ijecs.in/index.php/ijecs/article/view/2019. Acesso em: 18 may. 2024.