A Study of Toxic Heavy Metals in released Treated/Untreated Waste Water from Slaughterhouses of Khurja, Uttar Pradesh. J. Sci. Innov. Nat. Earth [Internet]. 2025 Mar. 1 [cited 2025 Mar. 9];5(1):09-11. Available from: https://jsiane.com/index.php/files/article/view/323