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Abubrig, F. , Delfag, M. , Abuzariba, S.. "The Effect of the Crystal Field Interaction on the Critical Temperatures and the Sublattice Magnetizations of a Mixed Spin-3/2 and Spin-5/2 Ferrimagnetic System". World Academy of Science, Engineering and Technology, Open Science Index 87, International Journal of Physical and Mathematical Sciences (2014), 8(3), 543 - 549.