Study of magnetic transition and magnetic entropy changes of Pr0.6Sr0.4MnO3 and Pr0.6Sr0.4Mn0.9Fe0.1O3 compoundsAbir. Nasri, E. K. Hlil, A. -F. Lehlooh, M. Ellouze and F. ElhalouaniEur. Phys. J. Plus, 131 4 (2016) 110DOI: https://doi.org/10.1140/epjp/i2016-16110-y