A Study on Customer Perception towards Chatbot-unable CustomerServices: An Empirical Study of Service Effectiveness andSatisfaction. NOLEGEIN-Journal of Global Marketing, [S. l.], v. 9, n. 2, 2026. Disponível em: https://mbajournals.in/index.php/JoGM/article/view/2050. Acesso em: 8 sep. 2026.