KING, Prof. Chan. A Review of AI-Powered Chatbots in Customer Service: Trends, Challenges, and Future Prospects. Brazilian Journal of Computational Intelligence, [S. l.], v. 1, n. 2, 2020. Disponível em: https://journals.jmlai.in/index.php/BJCI/article/view/13. Acesso em: 29 oct. 2025.