Ibrahim F. Waheed, Thuraya Yarb Sabri, Najat A. Dahham, Faten Haithum Mulud. Characterization of Calcinated Ni–Cu Ferrite Nanoparticles Synthesized by Citrate-gel Auto combustion Technique. eijs [Internet]. 2021Mar.30 [cited 2021Aug.15];62(3):878-8. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/2482