Sgambati M, Acampora A, Martucci O, Lucchetti MC. The integration of circular economy in the tourism industry: A framework for the implementation of circular hotels. In: Yazeed M, Bernardo ID, Sapaloglu I, et al., eds. Advances in Global Services and Retail Management: Volume 2. Advances in Global Services and Retail Management. SPB University Press; 2021. Accessed October 29, 2026. https://books.domainpress.org/index.php/spbup/catalog/book/30/chapter/201