Anisotropic Karmarkar stars in f(R, T)-gravityMonsur Rahaman, Ksh. Newton Singh, Abdelghani Errehymy, Farook Rahaman and Mohammed DaoudEur. Phys. J. C, 80 3 (2020) 272DOI: https://doi.org/10.1140/epjc/s10052-020-7842-9