?CHROMIUM IN SEDIMENT OF THE MOVING STREAM OF TANNERY WASTE- FROM SECTOR 7-A OF KORANGI INDUSTRIAL AREA TO ARABIAN SEA. Pakistan Journal of Scientific & Industrial Research [Internet]. 1995 Jan. 23 [cited 2026 Mar. 15];38(1):1-4. Available from: https://www.v2.pjsir.org/index.php/biological-sciences/article/view/2421