1. Asshiddiqie, Jimly. Theory and Stream of Constitutional Law Interpretation, Limited Liability Company Publisher PT. Inhilco Press and Publisher, Jakarta, 2006.
2. Atikah, Ika. Consumer Protection and Fintech Companies in Indonesia: Innovations and Challenges of the Financial Services Authority, Journal of Law and Judiciary, Vol.9, No.1, 2020.
3. Bahsan, M. Law of Credit Guarantee and Credit Guarantee in Indonesian Banking, Limited Liability Company Publisher PT. KING Grafindo Persada: Jakarta, 2017.
4. Emily, Fitri. The Fintech book: The Financial Technology Handbook for Investors, Entrepreneurs and Visionaries, Journal of Indonesia Economy and Business, Volume 31, Number 3, edition March 2016.
5. Marzuki, Peter Mahmud. Legal Research, Limited Liability Company Publisher PT. Dating Prenada Media Group Press and Publisher, Jakarta, 2014.