Khanna, D.R., Bhutiani, R., Matta, G. and Kumar, D. 2009. A study of zooplankton diversity with special reference to their concentration in River Ganga at Haridwar. Environment Conservation Journal. 10, 3 (Dec. 2009), 15–20. DOI:https://doi.org/10.36953/ECJ.2009.100303.