1. The Oxford handbook of the digital economy New York, N.Y. : Oxford University Press, ©2012. SOC413
2. Into the metaverse: the essential guide to the business opportunities of the web3 era Hackl, Cathy, London, UK : Bloomsbury Business, [2023] GED113
3. The metaverse entrepreneur: a practical guide to building a business in virtual reality Preston, Martin. [S.l.] : Independently published, 2023. MDIT330
4. The art & science of financial risk analysis: the analyst's guide to determining a company's financial strength and creditworthiness Dean, Jerry F. Columbia, MD : National Association of Credit Management, c2006. FIN423
