“Sustainable Food Security: Pesticide Residues And Heavy Metals Accumulation In Ugu Vegetable Grown In Atani, Anambra State ”. FESCON Conference Proceedings 5, no. 1 (June 18, 2025): 42–51. Accessed June 14, 2026. https://ajer.org.ng/index.php/fescon-proceedings/article/view/146.