Upadhyay M, Sahu BL, Pardhi OP. Degradation of water quality due to heavy pollution in industrial area of Korba, Chhattisgarh. RRST [Internet]. 2013 Jul. 27 [cited 2024 May 6];5(5). Available from: https://updatepublishing.com/journal/index.php/rrst/article/view/1059