ISONG, Bassey; VHAHANGWELE, Tshipuke; ABU-MAHFOUZ, Adnan M. Blockchain-Enabled Vaccination Registration and Verification System in Healthcare Management. Journal of Information Systems and Informatics, [S. l.], v. 5, n. 2, p. 719–741, 2023. DOI: 10.51519/journalisi.v5i2.497. Disponível em: https://www.journal-isi.org.adsii.or.id/index.php/isi/article/view/497. Acesso em: 13 mar. 2026.