Benthic Fauna and its Ecology of River Ganga from Rishikesh to Haridwar (Uttaranchal ) India -н D. R. Khanna, R. Bhutiani

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Air Quality Modeling : A Review -н D. R. Khanna, Neetu Saxena

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Pollution abatement and environmental preservation -н Ashutosh Gautam, D. R. Khanna

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Ganga water quality at Kangri Village, District Haridwar with reference to physico-chemical parameters -н D.R. Khanna, Anurag Mohan, Snehlata

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Analysis of Some Selected Characteristics of Air Emissions from A Fertilizer Industry -н Neha Som Sachdeva, D.R. Khanna

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Study of physico-chemical characteristics of treated effluent of Sugar Industry -н A. Polestya, S. Sharma, D. R. Khanna

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Seasonal Fluctuations in the Plankton of Suswa River at Raiwala (Dehradun) -н D.R. Khanna, R. K. Singh

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A study to access heavy metal concentration in Paniyala Fish Pond near Roorkee (Haridwar) -н D.R. Khanna, Arun Kumar, Neeraj

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Notes on Medicinal Flora of Guru Nanak Dev University Campus Amritsar -н A. K. Dhiman, D. R. Khanna

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Fluctuation in the Population Density of Macro-invertebrates of River Ganga at Pashulok Barrage, Rishikesh. (Uttranchal, India) -н D. R. Khanna, Tarun Chugh, Praveen Sarkar

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Waste management strategy of a fertilizer plant -н R. Bhutiani, D. R. Khanna, P. Sarkar

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Zooplankton composition and Status of Paniyala water Pond in Roorkee Uttarakhand -н D.R. Khanna, Rajni Rana, Fouzia Ishaq

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Numerical Identification Of BOD5 And DO Profiles Using Beck Modified Khanna Bhutiani (BMKB) Model -н D. R. Khanna, R. Bhutiani, Kumar S. Chandra

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Impact of water quality on the phytoplankton abundance of Paniyala fish pond in Roorkee, District Haridwar, Uttarakhand -н D.R. Khanna, Rajni Rana, Fouzia Ishaq

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Modeling the effect of light on phytoplanktonic growth dynamics : A Review -н D. R. Khanna, R. Bhutiani, K. S. Chandra

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Mycological and physico-chemical study of a fish pond in Paniyala in Haridwar district of Uttarakhand -н D.R. Khanna, Rajni Rana, Fouzia Ishaq

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Seasonal variations in physico-chemical parameters of River Beas, Himachal Pradesh with special reference to planktonic population -н Ashok Kumar, D.R. Khanna, R. Bhutiani

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Water Quality Status Of River Ganges In Respect Of Physico Chemical And Microbial Characteristics At Anupshahar, District-Bulandhshar (India) -н J. P. Singh, Shakun Singh, D. R. Khanna

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A Study of Ground Water quality of Hand pumps situated in the vicinity of Slaughter houses at Aligarh U.P. (India) -н D. R. Khanna, J. P. Singh, Shakun Singh

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Seasonal variation in ground water quality in and around Integrated Industrial Estate (IIE) Haridwar, India -н D.R. Khanna, R. Bhutiani, Dipali Bhaskar Kulkarni

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