Thermomagnetic properties of La0.67Sr0.33MnO3 nanofibersAdly H. El-Sayed, O. M. Hemeda, Mahmoud A. Hamad and Ashraf M. MohamedEur. Phys. J. Plus, 134 5 (2019) 227DOI: https://doi.org/10.1140/epjp/i2019-12751-6