SIRI, J. G. S.; FERNANDO, C. A. N.; SILVA, S. N. T. D. A Novel Method to Produce Cost Effective, Environment Friendly Superabsorbent from Eichhornia crassipes for Improved Water Retention in Soil. Asian Journal of Biotechnology and Bioresource Technology, v. 6, n. 2, p. 1-10, 7 maio 2020.