Bisht, Arti, and Rajni Mehra. “Correlation Study on Physico-Chemical Parameters on Water Quality of Gaula River, Haldwani, Nainital, Uttarakhand, India”. UTTAR PRADESH JOURNAL OF ZOOLOGY 45, no. 24 (December 30, 2024): 254–261. Accessed June 28, 2025. https://www.mbimph.com/index.php/UPJOZ/article/view/4731.