study of physicochemical characteristics of water sediment of a wetland with refeerence to nutrients
Estimation of iron and flourride ion content in drinking groundwater with special reference to bactrerial contamination of katihar block of katihar district bihar and its impactr on tribal population
Studies on physico chemical characteristics of lentic and lotic water bodies of River mahananda at Jhaua dist katihar
Physico chemical analysis of drinking water of tribal areas of manihari sub division of katihar district bihar with special reference to fluorosis and its impact on tribal population
Study of physico chemical characteristics of drinking water with special reference to fluorosis in different parts of katihar district of Biar India