R. Palaniyappan, and D. Sasikala. “ENHANCED CRYPTOGRAPHIC INTEGRITY: INTEGRATING MODIFIED SHA-256 FOR SECURE DISTRIBUTED LEDGER-BASED MEDICAL RECORD SYSTEMS”. International Journal of Computer Information Systems and Industrial Management Applications 18, no. 18s (August 19, 2026): 613–626. Accessed August 20, 2026. https://cspub-ijcisim.org/index.php/ijcisim/article/view/4890.