1. Ball, M. (2022). The Metaverse: And How It Will Revolutionize Everything, Liveright Publishing Corporation.
2. International Telecommunications Union (ITU) (2024, February 02). Definition of Metaverse. Available online: https://www.itu.int/en/ITU-T/focusgroups/mv/Documents/List%20of%20FG-MV%20deliverables/FGMV-20.pdf.
3. Bloomberg (2023, May 10). Metaverse May Be $800 Billion Market, Next Tech Platform. Available online: https://www.bloomberg.com/professional/blog/Metaverse-may-be-800-billion-market-next-tech-platform/.
4. McKinsey & Company (2023, March 03). Value Creation in the Metaverse. Available online: https://www.mckinsey.com/capabilities/growth-marketing-and-sales/our-insights/value-creation-in-the-metaverse.
5. Gartner (2023, May 11). What Is a Metaverse? And Should You Be Buying In? . Available online: https://www.gartner.com/en/articles/what-is-a-metaverse.