Bharathi, D. Prasantha, et al. “Numerical Solution of Hybrid Fuzzy Mixed Delay Differential Equation by Fourth Order Runge-Kutta Method”. Discontinuity, Nonlinearity, and Complexity, vol. 10, no. 1, Aug. 2026, pp. 77-86, https://doi.org/10.5890/DNC.2021.03.006.