Tijani, Mubarak, Kolade Owolabi, Monday Duromola, and Edson Pindza. “Mathematical Modeling and Analysis of the Spread of Varicella (Chickenpox) Disease With the Caputo Operator”. Journal of Fractional Calculus and Nonlinear Systems 6, no. 1 (June 25, 2025): 1–28. Accessed April 29, 2026. https://sabapub.com/index.php/jfcns/article/view/1449.