“Dynamical Transmission of Varicella Virus in Jordan With SVIR Model through Analysis and Numerical Simulations ”. Journal of Mathematical Modeling and Fractional Calculus 1, no. 2 (February 14, 2025): 72–89. Accessed January 30, 2026. https://acspublisher.com/journals/index.php/jmmfc/article/view/20734.