Khadum, M.J. and Yaaqoob, L.A. 2026. Biological Preparation of Iron-Zinc Oxides Core-Shell (Fe3O4-ZnO) Nanoparticles Using Nerium oleander Extracts and Their Activities Against F. oxysporum f.sp. lycopersici. Iraqi Journal of Science. 67, 4 (Apr. 2026), 2185–2197. DOI:https://doi.org/10.24996/ijs.2026.67.4.23.