1. Overview: Technology Roadmap of the Future Trend of Metaverse based on IoT, Blockchain, AI Technique, and Medical Domain Metaverse Activity
2. Smart, J., Jamais Cascio, Jerry Paffendorf. “Metaverse Roadmap: Pathways to the 3D Web.” 2007. Accessed April 16, 2022. https://www.metaverseroadmap.org/overview/.
3. Insights FB. “Metaverse Market Size, Share & COVID-19 Impact Analysis.” Accessed April 16, 2022. https://www.fortunebusinessinsights.com/metaverse-market-106574.
4. Second Life. Linden Lab. Accessed June 27, 2022. https://www.secondlife.com/.
5. 3D virtual learning environments in education: a meta-review