“Dynamical Analysis and Modeling of COVID-19 and Related Diseases under Comorbidity in Complex Domains”, International Journal of Open Problems in Computer Science and Mathematics, vol. 18, no. 4, pp. 70–92, Sep. 2025, Accessed: Sep. 22, 2026. [Online]. Available: https://ijopcm.zuj.edu.jo/index.php/journal/article/view/43