Circularity Assessment of Coffee Waste-Based Products with Supervised Learning Classification. Journal of Research on Business and Tourism, [S. l.], v. 6, n. 1, p. 1–14, 2026. DOI: 10.37535/104006120261. Disponível em: https://journal.lspr.edu/index.php/jrbt/article/view/997. Acesso em: 8 jul. 2026.