MOUAD BOUMIA; PROFESSOR YUHONGYANG. A STUDY ON CHATBOT SERVICE FAILURES IN E-COMMERCE AND IMPROVEMENT STRATEGIES OF AMAZON. Policy Journal of Social Science Review, [S. l.], v. 3, n. 5, p. 313–331, 2025. Disponível em: https://policyjssr.com/index.php/PJSSR/article/view/307. Acesso em: 27 sep. 2025.