VARMA KAJAL S; RAVAL JYOTI A; MR.ROMIL PATEL. Introduction of Opinion Mining and Sentiment Analysis Research. International Journal of Advance Research in Engineering, Science & Technology, [S. l.], v. 3, n. 4, p. 223–230, 2016. Disponível em: https://ijarest.org/index.php/ijarest/article/view/536. Acesso em: 25 oct. 2025.