Implementation of a Chatbot System using  AI and NLP. International Journal of Innovative Research in Computer Science & Technology, [S. l.], v. 6, n. 3, p. 26–30, 2018. Disponível em: https://www.journals.acspublisher.com/index.php/ijircst/article/view/13407. Acesso em: 5 may. 2025.