RAPHAEL, J. A Comparative Analysis of Customer Sentiment in E-Commerce: Exploring Review Attributes as Indicators of Sentiment Polarity on Amazon and a Manufacturer’s Website. Digital Repository of Theses , [S. l.], 2025. Disponível em: https://repository.learn-portal.org/index.php/rps/article/view/659. Acesso em: 4 mar. 2026.