2022. Levels of Zinc (Zn), Copper (Cu), Iron (Fe), and Cadmium (Cd) in Soil, Rice Stalk, and Oryza Sativa Grain in Ishiagu Rice Field, Ebonyi State, Nigeria; Human Health Risk. Journal of the Nigerian Society of Physical Sciences. 4, 4 (Sep. 2022), 891. DOI:https://doi.org/10.46481/jnsps.2022.891.