Koirala, U., Jha, S., Niroula, B., & Pokharel (Bhattarai), B. (2014). Seasonal variations in biomass and nutrients in Eichhornia crassipes (Martius) Solms-Laubach at Biratnagar, Nepal. Nepalese Journal of Biosciences, 4(1), 62–69. https://doi.org/10.3126/njbs.v4i1.41709