Senbeto Kena Etana 2025. Effect of Holmium (III) Ion-Doped Nickel-Copper Ferrite Nanoparticle on Structural, Optical, and Dielectric Properties. Journal of Science, Technology and Arts Research. 14, 4 (Dec. 2025), 142–152. DOI:https://doi.org/10.20372/star.V14.i4.10.