Structural, Spectral, and Magnetic Investigations of Zn and Co Incorporated NiFe₂O₄ Spinel Ferrites. IJESR [Internet]. 2024 Jun. 21 [cited 2025 Dec. 25];14(2):1776-8. Available from: https://www.ijesr.org/index.php/ijesr/article/view/1391