Study the Structural, Morphological and Magnetic Properties of (Bi Ni Fe2 O4/C) Nano Composite . Acad. Sci. J. [Internet]. 2024 Apr. 1 [cited 2025 Mar. 30];2(2):209-55. Available from: https://acadscij.uodiyala.edu.iq/index.php/Home/article/view/453