Ravanaboina Sankeerthana, P. Vinaya Sree, and G. Vishnu Murthy. “Blockchain-Based EHR Hospital Management System: A Decentralized Solution for Healthcare Services”. Utilitas Mathematica 122, no. 1 (July 27, 2025): 2511–2521. Accessed May 7, 2026. https://utilitasmathematica.com/index.php/Index/article/view/2542.