Kavitha, V., et al. “Dynamic Modelling of Smoking Cessation With Caputo Fractional Derivatives: Incorporating Dual Quitter Behaviours”. Discontinuity, Nonlinearity, and Complexity, vol. 15, no. 2, Aug. 2026, pp. 241-5, https://doi.org/10.5890/DNC.2026.06.008.