SINGH, Puneet. AI-Powered IVR and Chat: A New Era in Telecom Troubleshooting. African Journal of Artificial Intelligence and Sustainable Development, Cape Town, S.A., v. 2, n. 2, p. 143–185, 2022. Disponível em: https://africansciencegroup.com/index.php/AJAISD/article/view/125.. Acesso em: 19 sep. 2024.