“Determination of Heavy Metals and Microbiological Contamination of Frozen Mackerel (Scomber Scombrus) Sold in Eke-Awka Market, Awka, Anambra State, Nigeria”. e-Proceedings of the Faculty of Agriculture International Conference (March 23, 2023): 202–206. Accessed June 24, 2026. https://journals.unizik.edu.ng/faic/article/view/1923.