Chauhan A, Sharma RC. Ecological study of periphyton diversity in crenic habitat of Sahashradhara (Garhwal Himalayas, India). Int. J. Environ. [Internet]. 2016 Feb. 22 [cited 2024 Jul. 18];5(1):79-95. Available from: https://nepjol.info/index.php/IJE/article/view/14566