Application of the NSFD method in a Malaria model with nonlinear incidence and recovery rates Tapan Sarkar, Prashant K. Srivastava and Pankaj Biswas Eur. Phys. J. Plus, 139 3 (2024) 257 Published online: 14 March 2024 DOI: 10.1140/epjp/s13360-024-05045-x