Manhas, R. K., Gautam, M. K., & Kumari, D. (2009). Two Way Indicator Species Analysis (TWINSPAN) of the Herbaceous Vegetation in an Inland Wetland Ecosystem of Doon Valley Himalaya, India. Journal of Wetlands Ecology, 3, 23–31. https://doi.org/10.3126/jowe.v3i0.2433