[1]
Khanna, D.R., Chugh, T. and Sarkar, P. 2001. Fluctuation in the Population Density of Macro-invertebrates of River Ganga at Pashulok Barrage, Rishikesh. (Uttranchal, India). Environment Conservation Journal. 2, 1 (Mar. 2001), 37–39. DOI:https://doi.org/10.36953/ECJ.2001.020104.