Scalable Customer Support Ticket Analysis Using Hybrid NLP and Ensemble-Based Classification Models. International Journal of Engineering Research and Science & Technology, [S. l.], v. 22, n. 2(1), p. 459–470, 2026. DOI: 10.62643/ijerst.2026.v22.n2(1).2620. Disponível em: https://ijerst.org/index.php/ijerst/article/view/2620. Acesso em: 25 apr. 2026.