CHOTIJAH, Umi; ROSYID, Harunur; SUTAJI, Deni; GUSWANRINANDI, Danang Haedar; NABIL , M. Rizaldi Zidan; AKBAR , Muhammad Asad Muhibbin. Design and Implementation of Blockchain in a Website-Based Electronic Medical Record System Using the Prototype Model. Indonesian Journal of Information Systems, [S. l.], v. 8, n. 2, p. 117–129, 2026. DOI: 10.24002/ijis.v8i2.13498. Disponível em: https://ojs.uajy.ac.id/index.php/IJIS/article/view/13498. Acesso em: 10 mar. 2026.