NGOMA, S. . The chatbot as a mediation tool in customer relations : an analysis of consumer engagement through the case of sarah, Congo Telecom’s chatbot. Revue Internationale du Chercheur , [S. l.], v. 6, n. 3, 2025. Disponível em: https://www.revuechercheur.com/index.php/home/article/view/1451. Acesso em: 5 sep. 2025.