Spherically symmetric generating solutions in f(R) theory S. A. Mardan, Umm-e-Farva Moeed, I. Noureen and Adnan Malik Eur. Phys. J. Plus, 138 9 (2023) 782 Published online: 05 September 2023 DOI: 10.1140/epjp/s13360-023-04413-3