Roston GD. STUDY ON WASTE wATERS OF METAL FINISHING INDUSTRIES AROUND LAHORE METROPOLITAN AREA. Pakistan Journal of Scientific & Industrial Research [Internet]. 2002 Oct. 28 [cited 2024 Nov. 24];45(5):312-7. Available from: https://v2.pjsir.org/index.php/biological-sciences/article/view/1825