Lie symmetries of static spherically symmetric spacetimes by Rif tree approach Tahir Hussain, Ashfaque H. Bokhari and Anam Munawar Eur. Phys. J. Plus, 137 12 (2022) 1322 Published online: 07 December 2022 DOI: 10.1140/epjp/s13360-022-03526-5