Evaluating the ROI of Sentiment-Aware Chatbot Routing: An Empirical Study of Social Media Support Automation Using Machine Learning. The Science Post, [S. l.], v. 2, n. 3, 2026. Disponível em: https://www.thesciencepostjournal.com/index.php/tsp/article/view/234. Acesso em: 23 aug. 2026.