Pathak, S.K., Shambhu Prasad, and Tanmay Pathak. 2015. “DETERMINATION OF WATER QUALITY INDEX RIVER BHAGIRATHI IN UTTARKASHI, UTTARAKHAND, INDIA”. International Journal of Research -GRANTHAALAYAH 3 (9SE):1-7. https://doi.org/10.29121/granthaalayah.v3.i9SE.2015.3170.