MRS. K. BALASARANYA, DR. P. EZHUMALAI. CLASSIFICATION TECHNIQUES OF SENTIMENTS AT DIFFERENT ANALYSIS LEVELS IN CONTEXT OF OPINION EXTRACTION: A REVIEW. International Journal of Modern Agriculture, [S. l.], v. 10, n. 3, p. 65 - 72, 2021. Disponível em: https://modern-journals.com/index.php/ijma/article/view/1514. Acesso em: 18 apr. 2024.