Xu, Conghui, et al. “Optimal Control and Bifurcation Analysis of a Delayed Fractional-Order SIRS Model With General Incidence Rate and Delayed Control”. Nonlinear Analysis: Modelling and Control, vol. 29, no. Online First, July 2024, pp. 1-24, https://doi.org/10.15388/namc.2024.29.35789.