Increasing customer service efficiency through artificial intelligence chatbot. REGE Revista de Gestão, [S. l.], v. 29, n. 3, p. 238–251, 2022. DOI: 10.1108/REGE-07-2021-0120. Disponível em: https://revistas.usp.br/rege/article/view/200197.. Acesso em: 22 jun. 2024.