Survey: Unconventional Categories of Chatbots that make use of Machine Learning Techniques. Journal of Information Technology and Digital World, [S. l.], v. 5, n. 3, p. 310–328, 2023. DOI: 10.36548/jitdw.2023.3.006. Disponível em: https://irojournals.com/itdw/article/view/1386. Acesso em: 18 mar. 2026.