“Determination of Heavy Metals and Microbiological Contamination of Frozen Mackerel (Scomber scombrus) Sold in Eke-Awka Market, Awka, Anambra State, Nigeria”, FAIC, pp. 202–206, Mar. 2023, Accessed: May 21, 2025. [Online]. Available: https://journals.unizik.edu.ng/faic/article/view/1923