LIU, Yuxin. User-Centered Conversational AI for Small Business Customer Service: A Cost-Effective and Accessible Framework. Journal of Computer, Signal, and System Research, [S. l.], v. 2, n. 5, p. 108–114, 2025. DOI: 10.71222/4wk1cf61. Disponível em: http://www.gbspress.com/index.php/JCSSR/article/view/444. Acesso em: 11 oct. 2025.