GAUTAM D. EFFECT OF POLLUTION ON DISSOLVED OXYGEN CONCENTRATION IN STREAM OF SHIVALIK HIMALAYAS A CASE STUDY: Life Sciences-Environmental Science. Int J Life Sci Pharm Res [Internet]. 2011 Nov. 1 [cited 2026 Apr. 27];1(1):L77-L80. Available from: https://www.ijlpr.com/index.php/journal/article/view/25