NALAWAT, Mudita. An Overview of Sentiment Analysis: Concept, Techniques, and Challenges. Indian Journal of Computer Science, [S. l.], v. 4, n. 4, p. 24–31, 2019. DOI: 10.17010/ijcs/2019/v4/i4/147302. Disponível em: https://www.indianjournalofentrepreneurship.com/index.php/tcsj/article/view/147302. Acesso em: 7 oct. 2025.