“Enhancing Healthcare Identity and Access Management using Hyper ledger Fabric and OAuth 2.0: A Block chain-Powered Solution for Enhanced Security and Scalability”, IJFANS, vol. 10, no. Special Issue 2, pp. 24–32, Jan. 2021, Accessed: Sep. 01, 2026. [Online]. Available: https://ijfans.org/index.php/Journal/article/view/3877