ZAID MOHAMMED MORTADA; OLA BAQER ABDULHADI. A Secure Blockchain-Federated Deep Learning Model for Privacy-Preserving COVID-19 Diagnosis. Central Asian Journal of Theoretical and Applied Science, [S. l.], v. 7, n. 1, p. 235–246, 2026. DOI: 10.51699/cajotas.v7i1.1650. Disponível em: https://cajotas.casjournal.org/index.php/CAJOTAS/article/view/1650. Acesso em: 6 feb. 2026.