BHARATHI, S. Thulasi; CHARLES, S. Classification Levels, Approaches, Tools, Application and Challenges in Sentimental Analysis- A Survey. International Journal of Computer Sciences and Engineering, [S. l.], v. 6, n. 11, p. 210–215, 2025. Disponível em: https://ijcse.isroset.org/index.php/j/article/view/4036. Acesso em: 2 feb. 2026.