Multi-components fluid in f(R, T) gravity with observational constraints Bhupendra Kumar Shukla, Shambel Sahlu, Değer Sofuoğlu, Preeti Mishra and Alnadhief H. A. Alfedeel Eur. Phys. J. Plus, 140 3 (2025) 257 Published online: 28 March 2025 DOI: 10.1140/epjp/s13360-025-06200-8