Blockchain-Based Distributed Ledger for Secure Electronic Health Record Sharing. Aksara Research Journal, [S. l.], v. 1, n. 1, p. 37–49, 2022. DOI: 10.55923/aksara.v1i1.4. Disponível em: https://ejournal.tarmizi.id/aksara/article/view/184. Acesso em: 4 nov. 2026.