Stochastic numerical technique for solving HIV infection model of CD4+ T cellsMuhammad Umar, Zulqurnain Sabir, Fazli Amin, Juan L. G. Guirao and Muhammad Asif Zahoor RajaEur. Phys. J. Plus, 135 5 (2020) 403DOI: https://doi.org/10.1140/epjp/s13360-020-00417-5