Hydrochemical evaluation of Rangit river, Sikkim, India: using Water Quality Index and multivariate statistics.Published in:Environmental Earth Sciences, 2016, v. 75, n. 7, p. 1, doi. 10.1007/s12665-015-5223-8By:Gupta, S.;Nayek, S.;Chakraborty, D.Publication type:Article