1. American Gaming Association. (2022). Sizing the Illegal and Unregulated Gaming Markets in the United States. Retrieved September 25, 2023, from https://www.americangaming.org/wp-content/uploads/2022/11/Sizing-the-Illegal-and-Unregulated-Gaming-Markets-in-the-US.pdf.
2. Scoping studies: towards a methodological framework;Arksey;Int. J. Soc. Res. Methodol.,2005
3. Asian Racing Association. (2023). An Introduction to Illegal Betting Market Sizing. Retrieved September 25, 2023, from https://assets-global.website-files.com/5fbe2bde2b2ef4841cd6639c/6548979c13d6fbef1b4e871f_ARF%20Variable%20Betting%20Duty%20Report_FINAL.pdf.
4. Gambling, Crime and Society;Banks,2017
5. Internet gambling, crime and the regulation of virtual environments;Banks;Gambl., Crime. Soc.,2017