Comorbidity Analysis of Diabetes and COVID-19 Patients under Vaccination . International Journal of Open Problems in Computer Science and Mathematics, [S. l.], v. 18, n. 4, p. 146–176, 2025. Disponível em: https://ijopcm.zuj.edu.jo/index.php/journal/article/view/44. Acesso em: 22 sep. 2026.