MOHAMMAD, Abdul Jabbar. Blockchain Ledger for Timekeeping Integrity. International Journal of Emerging Trends in Computer Science and Information Technology, [S. l.], v. 1, n. 1, p. 39–48, 2025. DOI: 10.63282/3050-9246.IJETCSIT-V1I1P105. Disponível em: https://ijetcsit.org/index.php/ijetcsit/article/view/223. Acesso em: 16 oct. 2025.